US3883213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connectors
Assignee: Chomerics Inc
•
Filing: 1974-01-07
•
Granted: 1975-05-13
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Expires: 1994-01-07
Abstract
Abstract An electrical connector which normally has a high resistance when uncompressed but which when pressure is applied to compress a volume thereof exhibits a low resistance through the compressed volume.
Inventors
- 👤 Frank J Glaister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:50
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/02; H01R13/22; H01R13/24; H01R13/2407; H01R13/2414
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
18 words
IN AN ELECTRICAL SYSTEM COMPRISING FIRST AND SECOND ELECTRICAL DEVICES, EACH OF SAID FIRST AND SECOND ELECTRICAL DEVICES
Claim 2
Dependent Claim
18 words
IN AN ELECTRICAL SYSTEM COMPRISING FIRST AND SECOND ELECTRICAL DEVICES, EACH OF SAID FIRST AND SECOND ELECTRICAL DEVICES
Claim 3
Dependent Claim
187 words
A DIELECTRIC OPTICAL WAVEGUIDE COMPRISING: A GAAS SUBSTRATE HAVING FIRST AND SECOND MAJOR SURFACES, HAVING A PLURALITY OF SPACED APART CONTACTS, AT LEAST ONE OF SAID PLURALITY OF CONTACTS COMPRISING RAISED LAND PORTIONS, A ONE A MULTILAYERED STRUCTURE COMPRISING THE FOLLOWING LAYERS PIECE SHEET CONNECTOR HAVING ELASTOMERIC-LIKE PROPERTIES POSIEPITAXIALLY GROWN ON SAID FIRST MAJOR SURFACE IN THE ORDER TIONED BETWEEN THE DEVICES AND OVERLAPPING SUPERIMPOSED RECITED: A ALXGA1-XAS FIRST LAYER AT LEAST ONE ALY GA1-YAS CONTACTS OF SAID FIRST AND SECOND DEVICES, MEANS TO COMPRESS MIDDLE LAYER, AND A ALGA1-XAS THIRD LAYER, Y< X AND Z; THE WIDTH OF SAID MIDDLE LAYER MEASURED PARALLEL TO SID THE SHEET CONNECTOR BETWEEN SUPERIMPOSED CONTACTS OF SAID FIRST MAJOR SURFACE, BEING LESS THAN THE CORRESPONDING FIRST AND SECOND DEVICES ON OPPOSITE SURFACES OF SAID SHEET CONNECTOR, SAID SHEET CONNECTOR HAVING A LOW RESISTANCE WIDTH OF SAID FIRST AND THIRD LAYERS SO THAT SAID LATTER LAYERS THROUGH THE VOLUME BETWEEN SUPERIMPOSED CONTACTS WHERE HAVE PORTIONS WHICH OVERHANG THE EDGES OF THE SAID MIDDLE LAYER. COMPRESSED AND A HIGH RESISTANCE WHERE NOT DIRECTLY COMPRESSED BETWEEN SAID SUPERIMPOSED CONTACTS SO THAT EACH PAIR
Claim 4
Dependent Claim
187 words
A DIELECTRIC OPTICAL WAVEGUIDE COMPRISING: A GAAS SUBSTRATE HAVING FIRST AND SECOND MAJOR SURFACES, HAVING A PLURALITY OF SPACED APART CONTACTS, AT LEAST ONE OF SAID PLURALITY OF CONTACTS COMPRISING RAISED LAND PORTIONS, A ONE A MULTILAYERED STRUCTURE COMPRISING THE FOLLOWING LAYERS PIECE SHEET CONNECTOR HAVING ELASTOMERIC-LIKE PROPERTIES POSIEPITAXIALLY GROWN ON SAID FIRST MAJOR SURFACE IN THE ORDER TIONED BETWEEN THE DEVICES AND OVERLAPPING SUPERIMPOSED RECITED: A ALXGA1-XAS FIRST LAYER AT LEAST ONE ALY GA1-YAS CONTACTS OF SAID FIRST AND SECOND DEVICES, MEANS TO COMPRESS MIDDLE LAYER, AND A ALGA1-XAS THIRD LAYER, Y< X AND Z; THE WIDTH OF SAID MIDDLE LAYER MEASURED PARALLEL TO SID THE SHEET CONNECTOR BETWEEN SUPERIMPOSED CONTACTS OF SAID FIRST MAJOR SURFACE, BEING LESS THAN THE CORRESPONDING FIRST AND SECOND DEVICES ON OPPOSITE SURFACES OF SAID SHEET CONNECTOR, SAID SHEET CONNECTOR HAVING A LOW RESISTANCE WIDTH OF SAID FIRST AND THIRD LAYERS SO THAT SAID LATTER LAYERS THROUGH THE VOLUME BETWEEN SUPERIMPOSED CONTACTS WHERE HAVE PORTIONS WHICH OVERHANG THE EDGES OF THE SAID MIDDLE LAYER. COMPRESSED AND A HIGH RESISTANCE WHERE NOT DIRECTLY COMPRESSED BETWEEN SAID SUPERIMPOSED CONTACTS SO THAT EACH PAIR
Claim 5
Dependent Claim
15 words
In a system according to claim 1 in which the system is an electrical watch.
Claim 6
Dependent Claim
17 words
In a system according to claim 2 in which the first device is a liquid crystal display.
Claim 7
Dependent Claim
44 words
In a system according to claim 1 in which the resistance through the volume where compressed between superimposed contacts is less than 10 ohms and wherein the resistance through the volume which is not directly compressed between superimposed contacts is greater than 105 ohms.
Claim 8
Dependent Claim
34 words
In a system according to claim 1 wherein the resistance between adjacent contacts compressively engaging the sheet is greater than 105 ohms and wherein the resistance between superimposed contacts is less than 10 ohms.
Claim 9
Dependent Claim
19 words
In a system according to claim 1 wherein the sheet is of a thickness of 10 to 30 mils.
Claim 10
Dependent Claim
41 words
In the system of claim 1 in which said sheet connector includes conductive particles which are nickel, said nickel partiles being in the amount of 250 to 450 parts by weight based on 100 parts by weight of the binder material.
Claim 11
Dependent Claim
42 words
In the system of claim 7 in which the thickness X is 10 to 30 mils and the maximum dimension of the nickel particles is 50 to 600 microns provided that the particle size is less than the thickness of the sheet.
Claim 12
Dependent Claim
40 words
In the system of claim 8 in which the resistance through the volume where compressed between superimposed contacts is less than 10 ohms and wherein the resistance through the volume which is not directly compressed is greater than 105 ohms.
References Cited (Backward Citations)
US2951817A
Cited
US3760342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-12 | 1978-11-11 | 1979-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-12 | 1982-11-11 | 1983-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-12 | 1986-11-11 | 1987-05-13 | $7700.00 | Window Closed / Lapsed |