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Method and apparatus for embedding authentication information within digital data 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-009/00
출원번호 US-0357713 (1994-12-14)
발명자 / 주소
  • Barton James M. (101 Sund Ave. Los Gatos CA 95032)
인용정보 피인용 횟수 : 687  인용 특허 : 0

초록 ▼

Arbitrary digital information is embedded within a stream of digital data, in a way that avoids detection by a casual observer and that allows a user to determine whether the digital data have been modified from their intended form. The embedded information may only be extracted as authorized and ma

대표청구항 ▼

A method for embedding information into a digital data block comprising a digital representation of an object, comprising the steps of: adding information to said digital data block by embedding said information into said data block and thereby deliberately introducing errors in said modified digita

이 특허를 인용한 특허 (687)

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  374. Rhoads, Geoffrey B.; Gustafson, Ammon E., Methods employing multiple watermarks.
    상세보기
  375. Rhoads, Geoffrey B., Methods for analyzing electronic media including video and audio.
    상세보기
  376. Rhoads, Geoffrey B., Methods for analyzing electronic media including video and audio.
    상세보기
  377. Rhoads, Geoffrey B., Methods for audio watermarking and decoding.
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  378. Rhoads, Geoffrey B., Methods for audio watermarking and decoding.
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  379. Rhoads,Geoffrey B., Methods for audio watermarking and decoding.
    상세보기
  380. Rhoads, Geoffrey B., Methods for controlling rendering of images and video.
    상세보기
  381. Rhoads, Geoffrey B., Methods for controlling rendering of images and video.
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  382. Rhoads Geoffrey B., Methods for controlling systems using control signals embedded in empirical data.
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  383. Rhoads, Geoffrey B., Methods for decoding watermark data from audio, and controlling audio devices in accordance therewith.
    상세보기
  384. Rhoads,Geoffrey B., Methods for decoding watermark data from audio, and controlling audio devices in accordance therewith.
    상세보기
  385. Rhoads, Geoffrey B., Methods for detecting alteration of audio.
    상세보기
  386. Rhoads Geoffrey B., Methods for detecting alteration of audio and images.
    상세보기
  387. Seder, Phillip Andrew; Carr, J. Scott; Perry, Burt W.; Rhoads, Geoffrey B., Methods for determining contents of media.
    상세보기
  388. Rhoads, Geoffrey B., Methods for encoding security documents.
    상세보기
  389. Geoffrey B. Rhoads, Methods for hiding in-band digital data in images and video.
    상세보기
  390. Rhoads, Geoffrey B., Methods for identifying equipment used in counterfeiting.
    상세보기
  391. Rhoads, Geoffrey B., Methods for managing content using intentional degradation and insertion of steganographic codes.
    상세보기
  392. Rhoads, Geoffrey B., Methods for marking images.
    상세보기
  393. Rhoads,Geoffrey B., Methods for marking images.
    상세보기
  394. Rhoads,Geoffrey B., Methods for monitoring audio and images on the internet.
    상세보기
  395. Seder, Phillip Andrew; Carr, J. Scott; Perry, Burt W.; Rhoads, Geoffrey B., Methods for opening file on computer via optical sensing.
    상세보기
  396. Erickson, John S., Methods for playing protected content.
    상세보기
  397. Rhoads,Geoffrey B., Methods for steganographic encoding media.
    상세보기
  398. Rhoads Geoffrey B., Methods for surveying dissemination of proprietary empirical data.
    상세보기
  399. Rhoads, Geoffrey B., Methods for surveying dissemination of proprietary empirical data.
    상세보기
  400. Rhoads, Geoffrey B., Methods of producing security documents having digitally encoded data and documents employing same.
    상세보기
  401. Rhoads,Geoffrey B.; Gustafson,Ammon E., Methods to evaluate images, video and documents.
    상세보기
  402. Carr, J. Scott; Davis, Bruce L.; Rhoads, Geoffrey B., Methods utilizing steganography.
    상세보기
  403. Brunk, Hugh L.; Levy, Kenneth L., Methods, apparatus and programs for generating and utilizing content signatures.
    상세보기
  404. Brunk, Hugh L.; Levy, Kenneth L., Methods, apparatus and programs for generating and utilizing content signatures.
    상세보기
  405. Brunk, Hugh L.; Levy, Kenneth L., Methods, apparatus and programs for generating and utilizing content signatures.
    상세보기
  406. Brunk, Hugh L.; Levy, Kenneth L., Methods, apparatus and programs for generating and utilizing content signatures.
    상세보기
  407. Brunk, Hugh L.; Levy, Kenneth L., Methods, apparatus and programs for generating and utilizing content signatures.
    상세보기
  408. Moskowitz, Scott A., Methods, systems and devices for packet watermarking and efficient provisioning of bandwidth.
    상세보기
  409. Moskowitz, Scott, Methods, systems and devices for packet watermarking and efficient provisioning of bandwidth.
    상세보기
  410. Moskowitz, Scott, Methods, systems and devices for packet watermarking and efficient provisioning of bandwidth.
    상세보기
  411. Moskowitz, Scott A., Methods, systems and devices for packet watermarking and efficient provisioning of bandwidth.
    상세보기
  412. Moskowitz, Scott A., Methods, systems and devices for packet watermarking and efficient provisioning of bandwidth.
    상세보기
  413. Moskowitz, Scott A., Methods, systems and devices for packet watermarking and efficient provisioning of bandwidth.
    상세보기
  414. Moskowitz, Scott A., Methods, systems and devices for packet watermarking and efficient provisioning of bandwidth.
    상세보기
  415. Moskowitz, Scott A., Methods, systems and devices for packet watermarking and efficient provisioning of bandwidth.
    상세보기
  416. Moskowitz,Scott A., Methods, systems and devices for packet watermarking and efficient provisioning of bandwidth.
    상세보기
  417. Bloom, Jeffrey Adam; Zou, Dekun, Modifying a coded bitstream.
    상세보기
  418. Zou, Dekun; Bloom, Jeffrey Adam; Yin, Peng; Divorra Escoda, Oscar, Modifying a coded bitstream.
    상세보기
  419. Zou, Dekun; Bloom, Jeffrey Adam; Yin, Peng; Divorra Escoda, Oscar, Modifying a coded bitstream.
    상세보기
  420. Stebbings, David W., Modulation method for minimizing pirating and/or unauthorized copying and/or unauthorized access of/to data on/from data media including compact discs and digital versatile discs.
    상세보기
  421. Rhoads,Geoffrey B., Monitoring of video or audio based on in-band and out-of-band data.
    상세보기
  422. Antonellis,Darcy; Bartley,Jeffrey J.; Elo,Margit Elisabeth; Gagnon,Jean Pierre; Hogue, Jr.,William B.; Price,Edward J., Motion picture anti-piracy coding.
    상세보기
  423. Levy, Kenneth L.; Stewart, Steven W., Multi-channel digital watermarking.
    상세보기
  424. Michaels, Alan J., Multi-tier ad-hoc network in which at least two types of non-interfering waveforms are communicated during a timeslot.
    상세보기
  425. LaBrec, Brian C.; Anderson, Joseph; Jones, Robert L.; Batey, Danielle, Multiple image security features for identification documents and methods of making same.
    상세보기
  426. Labrec, Brian C.; Anderson, Joseph; Jones, Robert L.; Batey, Danielle, Multiple image security features for identification documents and methods of making same.
    상세보기
  427. Moskowitz, Scott A., Multiple transform utilization and application for secure digital watermarking.
    상세보기
  428. Moskowitz, Scott A., Multiple transform utilization and application for secure digital watermarking.
    상세보기
  429. Moskowitz, Scott A., Multiple transform utilization and application for secure digital watermarking.
    상세보기
  430. Rhoads,Geoffrey B.; Gustafson,Ammon E., Multiple watermarks in content.
    상세보기
  431. Hunter, Charles E.; Hebrank, John H.; Sparks, Kelly C., Music distribution system and associated antipiracy protection.
    상세보기
  432. Hunter, Charles E.; Hebrank, John H.; Sparks, Kelly C., Music distribution system and associated antipiracy protections.
    상세보기
  433. Hunter, Charles Eric; Ballou, Jr., Bernard L.; Sparks, Kelly C.; Hebrank, John H., Music distribution systems.
    상세보기
  434. Hunter, Charles Eric; Hebrank, John H., Music distribution systems.
    상세보기
  435. Hunter, Charles Eric; Sparks, Kelly C.; Hebrank, John H., Music distribution systems.
    상세보기
  436. Hunter, Charles Eric; Sparks, Kelly C.; Hebrank, John H., Music distribution systems.
    상세보기
  437. Hunter,Charles Eric; Ballou, Jr.,Bernard L.; Sparks,Kelly C.; Hebrank,John H., Music distribution systems.
    상세보기
  438. Hunter,Charles Eric; Ballou, Jr.,Bernard L.; Sparks,Kelly C.; Hebrank,John H., Music distribution systems.
    상세보기
  439. Rhoads, Geoffrey B., Music methods and systems.
    상세보기
  440. Rhoads, Geoffrey B., Network linking method using information embedded in data objects that have inherent noise.
    상세보기
  441. Rhoads, Geoffrey B, Network linking methods and apparatus.
    상세보기
  442. Rhoads,Geoffrey B., Network linking using index modulated on data.
    상세보기
  443. Jones, Robert; Bi, Daoshen; Duggan, Charles F.; Schneck, Nelson T., Optically variable personalized indicia for identification documents.
    상세보기
  444. Moskowitz, Scott A., Optimization methods for the insertion, projection, and detection of digital watermarks in digital data.
    상세보기
  445. Moskowitz, Scott A., Optimization methods for the insertion, protection and detection of digital watermarks in digital data.
    상세보기
  446. Moskowitz, Scott A., Optimization methods for the insertion, protection, and detection of digital watermarks in digital data.
    상세보기
  447. Moskowitz, Scott A., Optimization methods for the insertion, protection, and detection of digital watermarks in digital data.
    상세보기
  448. Moskowitz, Scott A., Optimization methods for the insertion, protection, and detection of digital watermarks in digital data.
    상세보기
  449. Moskowitz, Scott A., Optimization methods for the insertion, protection, and detection of digital watermarks in digital data.
    상세보기
  450. Moskowitz, Scott A., Optimization methods for the insertion, protection, and detection of digital watermarks in digital data.
    상세보기
  451. Moskowitz, Scott A., Optimization methods for the insertion, protection, and detection of digital watermarks in digital data.
    상세보기
  452. Moskowitz,Scott A., Optimization methods for the insertion, protection, and detection of digital watermarks in digital data.
    상세보기
  453. Moskowitz, Scott A.; Cooperman, Marc S., Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data.
    상세보기
  454. Moskowitz, Scott; Cooperman, Marc, Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data.
    상세보기
  455. Moskowitz, Scott; Cooperman, Marc, Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data.
    상세보기
  456. Moskowitz,Scott A., Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data.
    상세보기
  457. Moskowitz,Scott A.; Cooperman,Marc S., Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data.
    상세보기
  458. Moskowitz,Scott A.; Cooperman,Marc S., Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data.
    상세보기
  459. Reed, Alastair M., Out of phase digital watermarking in two chrominance directions.
    상세보기
  460. Reed, Alastair M., Out of phase digital watermarking in two chrominance directions.
    상세보기
  461. Rhoads, Geoffrey B., Paper products and physical objects as means to access and control a computer or to navigate over or act as a portal on a network.
    상세보기
  462. Rodriguez, Tony F.; Carr, Jonathan Scott; Rhoads, Geoffrey B., Paper-based control of computer systems.
    상세보기
  463. Reed, Alastair M.; Rogers, Eliot, Perceptability model applied to watermark signals.
    상세보기
  464. Hannigan, Brett T.; Reed, Alastair M.; Bradley, Brett A., Perceptual modeling of media signals for data hiding.
    상세보기
  465. Hannigan, Brett T.; Reed, Alastair M.; Bradley, Brett Alan, Perceptual modeling of media signals for data hiding.
    상세보기
  466. Hannigan,Brett T.; Reed,Alastair M.; Bradley,Brett Alan, Perceptual modeling of media signals for data hiding.
    상세보기
  467. Michaels, Alan J.; Chester, David B., Permission-based TDMA chaotic communication systems.
    상세보기
  468. Michaels, Alan J.; Chester, David B., Permission-based multiple access communications systems.
    상세보기
  469. Michaels, Alan J.; Chester, David B., Permission-based multiple access communications systems.
    상세보기
  470. Michaels, Alan J.; Chester, David B., Permission-based secure multiple access communication systems.
    상세보기
  471. Story, Guy A.; Rajasekharan, Ajit; Mott, Timothy, Personalized time-shifted programming.
    상세보기
  472. Rhoads Geoffrey B., Photographic products and methods employing embedded information.
    상세보기
  473. Carr,J. Scott; Perry,Burt W.; Rhoads,Geoffrey B., Physical objects and validation of physical objects.
    상세보기
  474. Abe, Yasushi, Pixel-based digital watermarks located near edges of an image.
    상세보기
  475. Rhoads,Geoffrey B.; Davis,Bruce L.; Evans,Douglas B., Portable devices and methods employing digital watermarking.
    상세보기
  476. Chang,Kenneth H. P., Print user interface system and its applications.
    상세보기
  477. Rhoads, Geoffrey B., Printable interfaces and digital linking with embedded codes.
    상세보기
  478. Carr,J. Scott; Bradley,Brett Alan; Rhoads,Geoffrey B., Processing methods combining multiple frames of image data.
    상세보기
  479. Tian, Jun; Stach, John, Progressive image quality control using watermarking.
    상세보기
  480. Tian, Jun; Stach, John, Progressive image quality control using watermarking.
    상세보기
  481. Yi, Qina, Promotion content delivery with media content.
    상세보기
  482. Rhoads,Geoffrey B., Providing reports associated with video and audio content.
    상세보기
  483. Michaels, Alan J.; Chester, David B., Rake receiver for spread spectrum chaotic communications systems.
    상세보기
  484. Jones, Robert L.; Reed, Alastair M., Readers to analyze security features on objects.
    상세보기
  485. Levy, Kenneth L., Recoverable digital content degradation.
    상세보기
  486. Levy, Kenneth L., Recoverable digital content degradation: method and apparatus.
    상세보기
  487. Levy, Kenneth L., Recoverable digital content degradation: method and apparatus.
    상세보기
  488. Rhoads, Geoffrey B., Redundantly embedding auxiliary data in source signals.
    상세보기
  489. Rhoads,Geoffrey B.; MacIntosh,Brian T., Registering with computer systems.
    상세보기
  490. Hunter, Charles Eric; Ballou, Bernard L.; Hebrank, John H.; Fallon, James; Summer, Robert D., Remote sensors for detecting alert conditions and notifying a central station.
    상세보기
  491. Hunter, Charles Eric; Ballou, Bernard L.; Hebrank, John; Fallon, James; Summer, Robert, Remote sensors for detecting alert conditions and notifying a central station.
    상세보기
  492. Hunter, Charles Eric; Ballou, Bernard L.; Hebrank, John; Fallon, James; Summer, Robert, Remote sensors for detecting alert conditions and notifying a central station.
    상세보기
  493. Chayanam, Pavan; Inskeep, Todd; Miller, Eric William; Newton, Clay; Shroyer, David Charles, Reusable authentication experience tool.
    상세보기
  494. Chayanam, Pavan; Inskeep, Todd; Miller, Eric William; Newton, Clay; Shroyer, David Charles, Reusable authentication experience tool.
    상세보기
  495. Tian, Jun; Decker, Stephen K., Reversible watermarking.
    상세보기
  496. Alattar, Adnan M.; Stach, John; Tian, Jun, Reversible watermarking using expansion, rate control and iterative embedding.
    상세보기
  497. Alattar,Adnan M.; Stach,John; Tian,Jun, Reversible watermarking using expansion, rate control and iterative embedding.
    상세보기
  498. Cox Ingemar J. ; Miller Matthew L. ; Oami Ryoma,JPX, Robust digital watermarking.
    상세보기
  499. Cox Ingemar J. ; Miller Matthew L. ; Oami Ryoma,JPX, Robust digital watermarking.
    상세보기
  500. Cox, Ingemar J.; Miller, Matthew L., Robust digital watermarking.
    상세보기
  501. Cox, Ingemar J.; Miller, Matthew L., Robust digital watermarking.
    상세보기
  502. Rhoads, Geoffrey B.; Rodriguez, Tony F., Secure documents with hidden signals, and related methods and systems.
    상세보기
  503. Beckett Cynthia F. ; Alur Deepak ; Jansson Mats ; Hyde Virginia C., Secure event-driven EDI transaction processing using the internet.
    상세보기
  504. Pong, Fong; Spada, Eric; Schramm, Karen, Secure memory access controller.
    상세보기
  505. Moskowitz, Scott A.; Berry, Michael, Secure personal content server.
    상세보기
  506. Moskowitz, Scott A.; Berry, Mike W., Secure personal content server.
    상세보기
  507. Moskowitz, Scott A.; Berry, Mike W., Secure personal content server.
    상세보기
  508. Moskowitz, Scott A.; Berry, Mike W., Secure personal content server.
    상세보기
  509. Moskowitz, Scott A.; Berry, Mike W., Secure personal content server.
    상세보기
  510. Moskowitz,Scott A.; Berry,Michael, Secure personal content server.
    상세보기
  511. Cox Ingemar J. ; Kilian Joseph J. ; Shamoon Talal G., Secure spread spectrum watermarking for multimedia data.
    상세보기
  512. Cox Ingemar J. ; Kilian Joseph J. ; Shamoon Talal G., Secure spread spectrum watermarking for multimedia data.
    상세보기
  513. Coppersmith Don ; Mintzer Frederick Cole ; Tresser Charles P. ; Wu Chai Wah ; Yeung Minerva Ming-Yee, Secured signal modification and verification with privacy control.
    상세보기
  514. Coppersmith,Don; Mintzer,Frederick C.; Tresser,Charles P.; Weber,Samuel M.; Wu,Chai Wah; Yeung,Minerva Ming Yee, Secured signal modification and verification with privacy control.
    상세보기
  515. Rhoads,Geoffrey B., Securing media content with steganographic encoding.
    상세보기
  516. Moskowitz, Scott A., Security based on subliminal and supraliminal channels for data objects.
    상세보기
  517. Moskowitz, Scott A., Security based on subliminal and supraliminal channels for data objects.
    상세보기
  518. Rhoads, Geoffrey B.; Rodriguez, Tony F., Security document carrying machine readable pattern.
    상세보기
  519. Rhoads, Geoffrey B., Security document with steganographically-encoded authentication data.
    상세보기
  520. Geoffrey B. Rhoads, Security documents with hidden digital data.
    상세보기
  521. Jones,Robert L.; Reed,Alastair M., Security features for objects and method regarding same.
    상세보기
  522. Carr, Jonathan Scott; Perry, Burt W.; Rhoads, Geoffrey B., Self validating security documents utilizing watermarks.
    상세보기
  523. Berson, Thomas A.; Olson, Bryan; Fein, Michael E.; Mannheimer, Paul D.; Porges, Charles E.; Schloemer, David, Sensor with signature of data relating to sensor.
    상세보기
  524. Berson, Thomas A.; Olson, Bryan; Fein, Michael E.; Mannheimer, Paul D.; Porges, Charles E.; Schloemer, David, Sensor with signature of data relating to sensor.
    상세보기
  525. Berson, Thomas A.; Olson, Bryan; Fein, Michael E.; Mannheimer, Paul D.; Porges, Charles E.; Schloemer, David, Sensor with signature of data relating to sensor.
    상세보기
  526. Berson, Thomas A.; Olson, Bryan; Fein, Michael E.; Mannheimer, Paul D.; Porges, Charles E.; Schloemer, David, Sensor with signature of data relating to sensor.
    상세보기
  527. Hannigan, Brett T.; Levy, Kenneth L., Signal hiding employing feature modification.
    상세보기
  528. Rhoads Geoffrey B., Signal processing to hide plural-bit information in image, video, and audio data.
    상세보기
  529. Rhoads, Geoffrey B., Signal processing to hide plural-bit information in image, video, and audio data.
    상세보기
  530. Sako, Yoichiro; Osawa, Yoshitomo; Kurihara, Akira; Kawashima, Isao; Yoneyama, Shigeyuki, Signal transmision method.
    상세보기
  531. Hyde Virginia C. ; Alur Deepak ; Beckett Cynthia F. ; Jansson Mats, Simultaneous bi-directional translation and sending of EDI service order data.
    상세보기
  532. Daniel O. Ramos ; Brian T. MacIntosh ; Geoffrey B. Rhoads, Smart images and image bookmarking for an internet browser.
    상세보기
  533. Rhoads,Geoffrey B., Soft error decoding of steganographic data.
    상세보기
  534. Horning,James J.; Sibert,W. Olin; Tarjan,Robert E.; Maheshwari,Umesh; Horne,William G.; Wright,Andrew K.; Matheson,Lesley R.; Owicki,Susan K., Software self-defense systems and methods.
    상세보기
  535. Sturges, Steven; Norton, Marc, Speed and memory optimization of intrusion detection system (IDS) and intrusion prevention system (IPS) rule processing.
    상세보기
  536. Malvar, Henrique S.; Florencio, Dinei A., Spread spectrum modulation system and method for embedding digital information into digital or analog media.
    상세보기
  537. Kirovski,Darko; Malvar,Henrique, Stealthy audio watermarking.
    상세보기
  538. Kirovski,Darko; Malvar,Henrique, Stealthy audio watermarking.
    상세보기
  539. Rhoads, Geoffrey B.; Carr, J. Scott, Steganographic data hiding using a device clock.
    상세보기
  540. Rhoads, Geoffrey B., Steganographic decoding with transform to spatial domain.
    상세보기
  541. Rhoads, Geoffrey B., Steganographic encoding and decoding of auxiliary codes in media signals.
    상세보기
  542. Rhoads, Geoffrey B., Steganographic encoding and decoding of auxiliary codes in media signals.
    상세보기
  543. Rhoads, Geoffrey B., Steganographic encoding and detecting for video signals.
    상세보기
  544. Rhoads, Geoffrey B., Steganographic encoding for video and images.
    상세보기
  545. Rhoads, Geoffrey B., Steganographic image processing.
    상세보기
  546. Moskowitz, Scott A.; Cooperman, Marc, Steganographic method and device.
    상세보기
  547. Moskowitz, Scott A.; Cooperman, Marc, Steganographic method and device.
    상세보기
  548. Moskowitz, Scott A.; Cooperman, Marc, Steganographic method and device.
    상세보기
  549. Moskowitz, Scott A.; Cooperman, Marc, Steganographic method and device.
    상세보기
  550. Moskowitz, Scott A.; Cooperman, Marc, Steganographic method and device.
    상세보기
  551. Moskowitz, Scott A.; Cooperman, Marc, Steganographic method and device.
    상세보기
  552. Moskowitz, Scott; Cooperman, Marc, Steganographic method and device.
    상세보기
  553. Rhoads Geoffrey B., Steganographic methods and media for photography.
    상세보기
  554. Miller, Marc D.; Levy, Kenneth L.; Rhoads, Geoffrey B., Steganographic systems and methods.
    상세보기
  555. Miller, Marc D.; Levy, Kenneth L.; Rhoads, Geoffrey B., Steganographic systems and methods.
    상세보기
  556. Van Wie, David M.; Weber, Robert P., Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels.
    상세보기
  557. Geoffrey B. Rhoads, Steganographically encoding a first image in accordance with a second image.
    상세보기
  558. Michaels, Alan J.; Chester, David B., Symbol duration dithering for secured chaotic communications.
    상세보기
  559. Michaels, Alan J.; Chester, David B., Symbol estimation for chaotic spread spectrum signal.
    상세보기
  560. Davis, Bruce L.; Rodriguez, Tony F.; Rhoads, Geoffrey B., Synchronizing rendering of multimedia content.
    상세보기
  561. Polley, Jonathan; Vogel, III, William Andrew, System and method for assigning network blocks to sensors.
    상세보기
  562. de Queiroz,Ricardo L., System and method for authentication of JPEG image data.
    상세보기
  563. de Queiroz,Ricardo L., System and method for authentication of JPEG image data.
    상세보기
  564. Pintsov Leon A., System and method for detection of errors in accounting for postal charges in controlled acceptance environment.
    상세보기
  565. Hoffberg, Steven M., System and method for determining contingent relevance.
    상세보기
  566. John Man Kwong Kwan, System and method for digitally marking a file.
    상세보기
  567. Kwan, John Man Kwong, System and method for digitally marking a file with a removable mark.
    상세보기
  568. Kwan, John Man Kwong, System and method for digitally marking a file with a removable mark.
    상세보기
  569. Hunter, Charles Eric; Ballou, Bernard L.; Hebrank, John H.; Fallon, James; Summer, Robert D., System and method for emergency notification content delivery.
    상세보기
  570. Hunter, Charles Eric; Ballou, Jr., Bernard L.; Hebrank, John H.; Fallon, James; Summer, Robert D.; McNeil, Laurie, System and method for emergency notification content delivery.
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  571. Hunter,Charles Eric; Ballou, Jr.,Bernard L.; Hebrank,John H.; Fallon,James; Summer,Robert D.; McNeil,Laurie, System and method for emergency notification content delivery.
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