Electronic-ink display device employing a power switching mechanism automatically responsive to predefined states of device configuration
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05K-001/18
출원번호
US-0319901
(2009-01-13)
등록번호
US-8234507
(2012-07-31)
발명자
/ 주소
Zhu, Xiaoxun
Essinger, Steven
Schnee, Michael
Liu, Yong
출원인 / 주소
Metrologic Instruments, Inc.
대리인 / 주소
Perkowski, Esq., Thomas J.
인용정보
피인용 횟수 :
10인용 특허 :
398
초록▼
A wireless electronic-ink display device supported in packaging, and employing a power switching mechanism which operates to prevent leakage, drainage or discharge of the electro-chemical battery until a change in predetermined state of configuration occurs. The wireless electronic-ink based display
A wireless electronic-ink display device supported in packaging, and employing a power switching mechanism which operates to prevent leakage, drainage or discharge of the electro-chemical battery until a change in predetermined state of configuration occurs. The wireless electronic-ink based display device comprises (i) a power source module with an electro-chemical battery, (ii) a power management module for managing the power levels within the wireless electronic-ink display device, and (iii) a power switching module, arranged between the power source module and the power management module, and automatically responsive to a change in at least one predefined state of device configuration, to prevent leakage, drainage or discharge of the electro-chemical battery until a change in predetermined state of configuration occurs. In the illustrative embodiment, wherein the power switching module comprises a reed switch arranged in such a manner to cause the power switching module to be configured into an electrically conductive arrangement, and capable of conducting electricity from the power source module to the power management module, when the wireless electronic-ink display device is removed from its packaging.
대표청구항▼
1. A wireless electronic-ink based display device supported in packaging, comprising: an addressable electronic-ink based display module including a layer of bi-stable display medium disposed between a backplane driving structure and an electrically-conductive clear layer;a power source module inclu
1. A wireless electronic-ink based display device supported in packaging, comprising: an addressable electronic-ink based display module including a layer of bi-stable display medium disposed between a backplane driving structure and an electrically-conductive clear layer;a power source module including an electro-chemical battery;a power management module for managing the power levels within said wireless electronic-ink display device;a power switching module, arranged between said power source module and said power management module, and being automatically responsive to a change in at least one predefined state of device configuration;wherein said change in at least one predefined state of device configuration includes changes in the states of device configuration selected from the group consisting of:(i) said wireless electronic-ink display device being removed from said packaging, causing said power switching module to be configured into an electrically conductive arrangement, and capable of conducting electricity from said power source module to said power management module; and(ii) an object affixed to said power switching module, being removed or moved away from a predetermined position, causing said power switching module to be configured into an electrically conductive arrangement, and capable of conducting electricity from said power source module to said power management module;wherein said power switching module prevents leakage, drainage or discharge of said electro-chemical battery until the change in predefined state of device configuration occurs. 2. The wireless electronic-ink based display device of claim 1, wherein said power switching module comprises a reed switch arranged so as to cause said power switching module to be configured into an electrically conductive arrangement, and capable of conducting electricity from said power source module to said power management module, when said wireless electronic-ink display device is removed from said packaging. 3. The wireless electronic-ink based display device of claim 1, wherein said power switching module comprises a reed switch arranged in such a manner to cause said power switching module to be configured into an electrically conductive arrangement, and capable of conducting electricity from said power source module to said power management module, when said object affixed to said power switching module is removed or moved away from said predetermined position. 4. The wireless electronic-ink based display device of claim 1, wherein said layer of bi-stable display medium comprises a layer of electronic ink. 5. The wireless electronic-ink based display device of claim 1, wherein said electro-chemical battery comprises a thin film of micro energy cells. 6. The wireless electronic-ink based display device of claim 1, wherein said power source module further comprise a solar cell and associated power conversion circuitry. 7. The wireless electronic-ink based display device of claim 1, which has a form factor of a wireless electronic-ink signage device. 8. The wireless electronic-ink based display device of claim 1, which has a form factor of a wireless electronic-ink display label. 9. The wireless electronic-ink based display device of claim 1, which further comprise: a microprocessor;program memory for use by said microprocessor;a RF transceiver for transmitting and receiving RF data packet signals;an RF antenna structure; andan impedance matching structure interfacing said RF modem transceiver and said RF antenna structure.
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이 특허에 인용된 특허 (398)
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