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US3822384A
Expired / Lapsed
US
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Opto-electronic device having coupled emitter and receiver and method of manufacturing same
Assignee: US Philips Corp
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Filing: 1973-03-14
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Granted: 1974-07-02
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Expires: 1993-03-14
Abstract
Abstract An opto-electric photocoupler device comprising a light emitter and receiver. The device is essentially characterized in that the emitter and the receiver are soldered opposite to each other on the two parallel faces of a support having a shape substantially in the form of a U. Application: Card readers - electronic switches.
Inventors
- 👤 C Chapron
- 👤 D Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:05
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/10544; G06K7/10821; G06K7/10831; H; H10; H10F; H10F55/00; H10F55/20; H10F55/25
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
159 words
An opto-electronic device, comprising: a rigid U-shaped metallic plate having at least a portion of the surface of one arm thereof facing and parallel to at least a portion of the surface of the other arm thereof; flexible insulating sheet material having a metallic surface on one side thereof covering at least said portion of the surface of said one arm and attached thereto on the side remote from said metallic surface; flexible insulating sheet material having a metallic surface on one side thereof covering at least said portion of the surface of said other arm and attached thereto on the side remote from said metallic surface; a light emitter attached to said metallic surface of said sheet material covering said portion of the surface of said one arm; a photosensitive receiver attached to the metallic surface of said sheet material covering said portion of the surface of said other arm and in optical alignment with said light emitter.
Claim 2
Dependent Claim
159 words
An opto-electronic device, comprising: a rigid U-shaped metallic plate having at least a portion of the surface of one arm thereof facing and parallel to at least a portion of the surface of the other arm thereof; flexible insulating sheet material having a metallic surface on one side thereof covering at least said portion of the surface of said one arm and attached thereto on the side remote from said metallic surface; flexible insulating sheet material having a metallic surface on one side thereof covering at least said portion of the surface of said other arm and attached thereto on the side remote from said metallic surface; a light emitter attached to said metallic surface of said sheet material covering said portion of the surface of said one arm; a photosensitive receiver attached to the metallic surface of said sheet material covering said portion of the surface of said other arm and in optical alignment with said light emitter.
Claim 3
Dependent Claim
24 words
An opto-electronic device as defined in claim 1 wherein said light emitter and said photosensitive receiver are attached to said metallic surfaces by soldering.
References Cited (Backward Citations)
US3413480A
Cited
US3430054A
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US3430050A
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US3522435A
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US3585454A
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US3622419A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-01 | 1977-12-31 | 1978-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-01 | 1981-12-31 | 1982-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-01 | 1985-12-31 | 1986-07-02 | $7700.00 | Window Closed / Lapsed |