Electronic still camera

Details Electronic still camera Electronic still camera

1977-05-20

1978-12-26

Konick, Bernard

Dynamic magnetic information storage or retrieval

Manual input recording

360 35, 358127, 358134, 358213, H04N 579

Patent

active

041319192

ABSTRACT:
Electronic imaging apparatus, preferably an electronic still camera, employs an inexpensive information-recording medium such as audio-grade magnetic tape for "capturing" scene images. The camera includes a charge coupled device comprised of an array of photosensitive elements which form a charge pattern corresponding to an optical image projected onto the elements during an exposure interval. A charge transfer circuit converts the charge pattern into a high frequency pulsed electrical signal immediately following the exposure interval to remove the charge from the device in a short period of time to maintain unwanted "dark current" at a low level. Each pulse represents the image-forming light projected onto a particular photosensitive element. A high speed analog-to-digital converter converts these pulses to multi-bit digital words in real time. A digital buffer memory temporarily stores these words, then retransmits them at a rate that is compatible for recording on the audio-grade tape. The image can be displayed on a conventional television receiver by reading the recorded words from the tape and converting them to a format compatible with the signal-receiving circuitry of the television.

REFERENCES:
patent: 3858232 (1974-12-01), Boyle
patent: 3911467 (1975-10-01), Levine
patent: 3962725 (1976-06-01), Lemke
patent: 4016361 (1977-04-01), Pandey
patent: 4057830 (1977-11-01), Adcock

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