Patent US3780430A successfully refreshed from Google Patents.
US3780430A
Expired / Lapsed
US
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Process for mounting electro-luminescent displays
Assignee: Bowmar ALI Inc
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Filing: 1972-09-25
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Granted: 1973-12-25
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Expires: 1992-09-25
Abstract
Abstract In a small hand-held calculator the electroluminescent display is in the form of a series of light emitting diodes (''''chips'''') which are received on a printed circuit board. The electric signal output of the calculator circuit is communicated to the display through a series of pins which are stake mounted on a printed circuit board and the projected ends of these pins serve the dual purpose of communicating electric signals which determine the display and also serve to mount the printed circuit board of the display and its associated components. The pins are inclined so that the display can be disposed at whatever viewing angle is desired. Thus, although the small calculator may lie flat on a desk or other support surface, the plane of the display is disposed at an angle making viewing much more convenient, that is, at an angle approaching perpendicularity to the line of vision of the viewer. By utilizing the pins both as electrical signal communicating means as well as mounting means it is possible to locate the display at whatever angle is desired and in a much more convenient and economical manner.
Inventors
- 👤 J Feeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:52
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/306; H05K3/308; G; G06; G06F; G06F15/00; G06F15/02; G09; G09G; G09G3/00; G09G3/04; G09G3/06; G09G3/12; G09G3/14; H05K2201/00; H05K2201/10; H05K2201/10007; H05K2201/10128; H05K2201/10227; H05K2201/10295; H05K2201/10303; H05K2201/10431; H05K2201/10439; H05K2201/10484; H05K2201/10613; H05K2201/10742; H05K2201/1075; H05K2201/10757; H05K2203/00; H05K2203/14; H05K2203/1446; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/4913; Y10T29/49131; Y10T29/49133; Y10T29/49135; Y10T29/49139; Y10T29/4914; Y10T29/49142; Y10T29/49147; Y10T29/49149
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
137 words
A process for mounting an electroluminescent display at a preferred viewing angle relatively to a printed circuit board containing a calculator circuit, comprising the steps of: first staking a plurality of in-row connector pins to the printed circuit board, bending each of such pins to the same predetermined angularity relatively to the plane of the printed circuit board whereby the pin ends each extend at the same angle relatively to the printed circuit board, passing each of the projected ends of the pins through coacting openings in the electroluminescent display which is disposed transversely to the projected pin ends, and thereafter soldering each projected pin end to the display to form an electrical connection between each projected pin end and the coacting portion of the electroluminescent display whereby electroluminescent information is displayed at a preferred viewing angle.
Claim 2
Dependent Claim
137 words
A process for mounting an electroluminescent display at a preferred viewing angle relatively to a printed circuit board containing a calculator circuit, comprising the steps of: first staking a plurality of in-row connector pins to the printed circuit board, bending each of such pins to the same predetermined angularity relatively to the plane of the printed circuit board whereby the pin ends each extend at the same angle relatively to the printed circuit board, passing each of the projected ends of the pins through coacting openings in the electroluminescent display which is disposed transversely to the projected pin ends, and thereafter soldering each projected pin end to the display to form an electrical connection between each projected pin end and the coacting portion of the electroluminescent display whereby electroluminescent information is displayed at a preferred viewing angle.
Claim 3
Dependent Claim
49 words
The process in accordance with claim 1 wherein electrical connections are formed between the projected ends of each of said connectors and the electroluminescent display material to provide electrical addressing of alphanumeric components by the pins in a manner provided by the calculator circuitry on said printed circuit board.
Claim 4
Dependent Claim
40 words
The process in accordance with claim 1 wherein said printed circuit board is comprised of a combination of epoxy-glass fiber materials and said display material is formed as a lamination of electroluminescent material deposited on a printed circuit board substrate.
Claim 5
Dependent Claim
57 words
The process in accordance with claim 1 wherein said display includes a plurality of alphanumeric readout display components spaced apart on a printed circuit board and each is sepArately and individually addressed by a respective one of said pins which electrically communicate signals from the computer circuit of said printed circuit board to said display circuit board.
Claim 6
Dependent Claim
21 words
The process in accordance with claim 1 wherein said display is disposed at both an elevation and angularity of preselected dimension.
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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) | 1976-12-24 | 1977-06-25 | 1977-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-24 | 1981-06-25 | 1981-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-24 | 1985-06-25 | 1985-12-25 | $7700.00 | Window Closed / Lapsed |