US4322741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image dividing system for use in television
Assignee: Individual
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Filing: 1980-08-26
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Granted: 1982-03-30
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Expires: 2000-08-26
Abstract
Abstract An image dividing system for use in television wherein the optical image of a subject is divided into parts and picked up by means of a plurality of exclusive image pickup tubes assigned thereto respectively, and a continuous video image of the subject is produced by a picture tube which is equipped with a plurality of electron guns correspondingly to the image pickup tubes and has an integral viewing screen.
Inventors
- 👤 Jun Kawabayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:03
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/28
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
131 words
An image dividing system for use in telecasting which converts the optical image of a subject into video signals by means of a pickup tube and processes said signals in a picture tube to obtain a video image of said subject, said system comprising a transmitter block which comprises a lens system forming a single optical image and a plurality of pickup tubes disposed adjacently, said optical image being focused on said tubes such that said image spans said tubes whereby each said tube picks up a portion of said image, and an image receiver block which comprises a picture tube having a plurality of electron guns corresponding to said pickup tubes, wherein beams emitted from said electron guns produce a continuous video image of said subject on a viewing screen.
Claim 2
Dependent Claim
131 words
An image dividing system for use in telecasting which converts the optical image of a subject into video signals by means of a pickup tube and processes said signals in a picture tube to obtain a video image of said subject, said system comprising a transmitter block which comprises a lens system forming a single optical image and a plurality of pickup tubes disposed adjacently, said optical image being focused on said tubes such that said image spans said tubes whereby each said tube picks up a portion of said image, and an image receiver block which comprises a picture tube having a plurality of electron guns corresponding to said pickup tubes, wherein beams emitted from said electron guns produce a continuous video image of said subject on a viewing screen.
Claim 3
Dependent Claim
45 words
The image dividing system as defined in claim 1, wherein each of said pickup tubes is an assembly consisting of three tubes for red, blue and green, and each of said electron guns is an assembly consisting of three guns for red, blue and green.
Claim 4
Dependent Claim
26 words
The image dividing system as defined in claim 1 or 2, wherein the video signals of said pickup tubes are transmitted individually in a wireless mode.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-03-29 | 1985-09-28 | 1986-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-03-29 | 1989-09-28 | 1990-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-03-29 | 1993-09-28 | 1994-03-30 | $7700.00 | Window Closed / Lapsed |