US3854009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Area unit status system
Assignee: Communic Equip & Contract
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Filing: 1973-02-23
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Granted: 1974-12-10
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Expires: 1993-02-23
Abstract
Abstract The present disclosure is directed to a system for ascertaining the service status of area units such as motel rooms through visual red-green lighted panels at the front desk - housekeepers desk and maid area which panels are controlled by positive sequential actuation of the telephone dialing or touch tone units on the telephone of each room.
Inventors
- 👤 R Pirnie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:41
CPC Classifications
H; H04; H04M; H04M11/00; H04M11/02
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
219 words
For use with a plurality of dial telephones serving a plurality of service area units, which telephones are connectible to and disconnectible from a PABX with at least one telephone being in each service area unit; an area unit status system comprising: a. a service area control means comprising a disconnect switch, a clear switch and visual status indicating lamps for each of the service area units; b. at least one remote panel with corresponding status indicating lamps; c. dial responsive means connected for actuation by dial pulses from said telephones when the telephones are disconnected from said PABX, and actuated upon energization; d. means for disconnecting the telephones from the PABX and energizing the dial responsive means; e. said means for disconnecting being operated under control of said disconnect switch; f. lamp operating means selectively responsive to energization of the dial responsive means to establish a first lamp indicating condition among said lamps, and selectively responsive to the dialing of a first digit to establish a second lamp indicating condition among said lamps, and selectively responsive to the dialing of a second digit to establish a third lamp indicating condition among said lamps; and g. said means for disconnecting being operated by said clear switch to connect the telephones to said PABX and de-energize the dial responsive means.
Claim 2
Dependent Claim
219 words
For use with a plurality of dial telephones serving a plurality of service area units, which telephones are connectible to and disconnectible from a PABX with at least one telephone being in each service area unit; an area unit status system comprising: a. a service area control means comprising a disconnect switch, a clear switch and visual status indicating lamps for each of the service area units; b. at least one remote panel with corresponding status indicating lamps; c. dial responsive means connected for actuation by dial pulses from said telephones when the telephones are disconnected from said PABX, and actuated upon energization; d. means for disconnecting the telephones from the PABX and energizing the dial responsive means; e. said means for disconnecting being operated under control of said disconnect switch; f. lamp operating means selectively responsive to energization of the dial responsive means to establish a first lamp indicating condition among said lamps, and selectively responsive to the dialing of a first digit to establish a second lamp indicating condition among said lamps, and selectively responsive to the dialing of a second digit to establish a third lamp indicating condition among said lamps; and g. said means for disconnecting being operated by said clear switch to connect the telephones to said PABX and de-energize the dial responsive means.
Claim 3
Dependent Claim
28 words
The apparatus of claim 1 wherein said lamp operating means comprise a two-level stepping switch connected to energize said lamps to said indicating conditions at three steps thereoF.
Claim 4
Dependent Claim
175 words
For use with a plurality of dial telephones serving a plurality of service area units, which telephones are connectible to and disconnectible from a PABX with at least one telephone being in each service area unit, an area unit status system comprising: a. a service area panel and a remote signal panel each having corresponding visual status indicating lamps for the service area units; b. a first switch actuating circuit comprising a disconnect switch and means for disconnecting an associated telephone from the said PABX; c. a second switching circuit comprising selective lamp operating means capable of establishing three different lamp indicating conditions among said lamps; d. a third circuit comprising dial response means responsive to the means for disconnecting to operate the lamp operating means to establish a first condition among said lamps, and further responsive to dialed digits to operate the lamp operating means to establish further indicating conditions among said lamps; and e. a fourth circuit comprising a clear switch connected to deactivate said means for disconnecting and said dial response means.
Claim 5
Dependent Claim
175 words
For use with a plurality of dial telephones serving a plurality of service area units, which telephones are connectible to and disconnectible from a PABX with at least one telephone being in each service area unit, an area unit status system comprising: a. a service area panel and a remote signal panel each having corresponding visual status indicating lamps for the service area units; b. a first switch actuating circuit comprising a disconnect switch and means for disconnecting an associated telephone from the said PABX; c. a second switching circuit comprising selective lamp operating means capable of establishing three different lamp indicating conditions among said lamps; d. a third circuit comprising dial response means responsive to the means for disconnecting to operate the lamp operating means to establish a first condition among said lamps, and further responsive to dialed digits to operate the lamp operating means to establish further indicating conditions among said lamps; and e. a fourth circuit comprising a clear switch connected to deactivate said means for disconnecting and said dial response means.
Claim 6
Dependent Claim
28 words
The apparatus of claim 3 wherein said lamp operating means comprises a two-level stepping switch connected to energize said lamps to said indicating conditions at three steps thereof.
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) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |