최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0481453 (1990-02-15) |
우선권정보 | AU-0002780 (1989-02-16) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 21 인용 특허 : 0 |
A point of sale audio-visual advertising system is disclosed which has a central station and a plurality of outstations. The central station is generally located in a shop attached to service or filling stations which sell petroleum products such as gasoline, while the outstations are located at sel
A point of sale audio-visual advertising system comprising a central station and plurality of outstations each spaced apart from said central station; each of said outstations comprising a switch means activatable by a customer, an image reproducing screen, and a loudspeaker means, said screen and l
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