US4782522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terminal for a telecommunications switching system having an additional keyboard and/or visual display
Assignee: Telenorma Telefonbau und Normalzeit GmbH
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Filing: 1987-01-23
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Granted: 1988-11-01
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Expires: 2007-01-23
Abstract
Abstract A terminal of a telephone switchboard installation with one dialing and one service and/or input keyboard and one or more indicator device(s) and a cradle for the hand set. The terminal includes, on the upper side of the terminal a sliding part, which is formed by the upper side which accommodates the keyboards and sometimes includes an indicator device. In one position, the sliding part operationalizes an additional keyboard or indicator device which is located beneath it. This additional keyboard may be designed as a targeted dialing key set, an alpha-numerical input keyboard, etc., and in addition, the keyboard may be replaced with a bank of lamps indicating lines in use.
Inventors
- 👤 Dieter Kramer
- 👤 Gerhard Sussner
- 👤 Wolfgang Girscher
- 👤 Karl-Heinz Niederhofer
- 👤 Werner Beck
- 👤 Bernd Ogorczyk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:45
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/0295; G; G06; G06F; G06F3/00; G06F3/01; G06F3/02; G06F3/0202; H04M1/0202; H04M1/0206; H04M1/0208; H04M1/0235; H04M1/0237
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
154 words
A telecommunications terminal having a base with an upper side, a telephone handset rest on the base and an operator facing panel mounted on the base, the panel having at least one of: a dialing and an operating keyboard; and, a data input keyboard, as well as at least one visual display, the terminal comprising: at least one of an additional keyboard and an additional visual display disposed on said base, under said panel; and, at least a portion of said panel defining a sliding carriage and carrying said at least one panel keyboard, said carriage being movable between a closed position, overlying said at least one of said additional keyboard and said additional visual display, and an open position, projecting outwardly from said terminal in a space exterior of said terminal cantilevering said terminal, and exposing said at least one of said additional keyboard and said additional visual display to enable utilization thereof.
Claim 2
Dependent Claim
154 words
A telecommunications terminal having a base with an upper side, a telephone handset rest on the base and an operator facing panel mounted on the base, the panel having at least one of: a dialing and an operating keyboard; and, a data input keyboard, as well as at least one visual display, the terminal comprising: at least one of an additional keyboard and an additional visual display disposed on said base, under said panel; and, at least a portion of said panel defining a sliding carriage and carrying said at least one panel keyboard, said carriage being movable between a closed position, overlying said at least one of said additional keyboard and said additional visual display, and an open position, projecting outwardly from said terminal in a space exterior of said terminal cantilevering said terminal, and exposing said at least one of said additional keyboard and said additional visual display to enable utilization thereof.
Claim 3
Dependent Claim
51 words
The terminal of claim 1, wherein said additional keyboard is a destination dialing keyboard having at least one of a numeric input and an aphanumerical input keyboard; and, said additional visual display is at least one of: a bank of lamps indicating lines in use; and, a multi-line aphanumerical indicator device.
Claim 4
Dependent Claim
19 words
The terminal of claim 1, further comprising means for engaging and locking said sliding carriage into said closed position.
Claim 5
Dependent Claim
27 words
The terminal of claim 1, wherein said telephone handset rest defines a longitudinal axis and said sliding carriage moves in a direction parallel to said longitudinal axis.
Claim 6
Dependent Claim
178 words
A telecommunications terminal having a base with an upper side, a telephone handset rest on the base and an operator facing panel mounted on the base, the panel having at least one of: a dialing and an operating keyboard; and, a data input keyboard, as well as at least one visual display, the terminal comprising: at least one of an additional keyboard and an additional visual display disposed on said base, under said panel; at least a portion of said panel defining a sliding carriage and carrying said at least one panel keyboard, said carriage being movable between a closed position, overlying said at least one of said additional keyboard and said additional visual display to enable utilization thereof; at least one of a switch and a light sensor for detecting when said sliding carriage is in said closed position; and, means for altering an operational function of at least one of said operating keyboards and said visual displays responsive to detection of said closed position by said at least one of said switch and said light sensor.
Claim 7
Dependent Claim
178 words
A telecommunications terminal having a base with an upper side, a telephone handset rest on the base and an operator facing panel mounted on the base, the panel having at least one of: a dialing and an operating keyboard; and, a data input keyboard, as well as at least one visual display, the terminal comprising: at least one of an additional keyboard and an additional visual display disposed on said base, under said panel; at least a portion of said panel defining a sliding carriage and carrying said at least one panel keyboard, said carriage being movable between a closed position, overlying said at least one of said additional keyboard and said additional visual display to enable utilization thereof; at least one of a switch and a light sensor for detecting when said sliding carriage is in said closed position; and, means for altering an operational function of at least one of said operating keyboards and said visual displays responsive to detection of said closed position by said at least one of said switch and said light sensor.
Claim 8
Dependent Claim
50 words
The terminal of claim 5, further comprising: flexible connection means for electrically connecting said at least one keyboard on said sliding carriage to said base; and, wherein said at least one keyboard on said sliding carriage is at least one of a foil type keyboard and a touch sensitive keyboard.
Claim 9
Dependent Claim
168 words
A telecommunications terminal having a base with an upper side, a telephone handset rest on the base and an operator facing panel mounted on the base, the panel having at least one of: a dialing and an operating keyboard; and, a data input keyboard, as well as at least one visual display, the terminal comprising: at least one of an additional keyboard and an additional visual display disposed on said base, under said panel; at least a portion of said panel defining a sliding carriage and carrying said at least one panel keyboard, said carriage being movable between a closed position, overlying said at least one of said additional keyboard and said additional visual display, and an open position, exposing said at least one of said additional keyboard and said additional visual display to enable utilization thereof; and, said terminal having a rear wall, said rear wall having a lower portion formed by part of said base and an upper portion formed by part of said sliding carriage.
Claim 10
Dependent Claim
168 words
A telecommunications terminal having a base with an upper side, a telephone handset rest on the base and an operator facing panel mounted on the base, the panel having at least one of: a dialing and an operating keyboard; and, a data input keyboard, as well as at least one visual display, the terminal comprising: at least one of an additional keyboard and an additional visual display disposed on said base, under said panel; at least a portion of said panel defining a sliding carriage and carrying said at least one panel keyboard, said carriage being movable between a closed position, overlying said at least one of said additional keyboard and said additional visual display, and an open position, exposing said at least one of said additional keyboard and said additional visual display to enable utilization thereof; and, said terminal having a rear wall, said rear wall having a lower portion formed by part of said base and an upper portion formed by part of said sliding carriage.
Claim 11
Dependent Claim
43 words
The terminal of claim 7, further comprising: a badge reader means disposed on said sliding carriage; and, said sliding carriage having a reader input slot disposed in said upper portion of said rear wall, parallel to said operator facing side of said panel.
Claim 12
Dependent Claim
42 words
The terminal of claim 7, further comprising: a printer means disposed on said sliding carriage; and, said sliding carriage having a printer output slot disposed in said upper portion of said rear wall, parallel to said operator facing side of said panel.
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) | 1991-11-01 | 1992-05-02 | 1992-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-01 | 1996-05-02 | 1996-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-01 | 2000-05-02 | 2000-11-01 | $7700.00 | Window Closed / Lapsed |