GB785950A - Improvements in or relating to telephone instruments - Google Patents

Improvements in or relating to telephone instruments

Info

Publication number
GB785950A
GB785950A GB2080155A GB2080155A GB785950A GB 785950 A GB785950 A GB 785950A GB 2080155 A GB2080155 A GB 2080155A GB 2080155 A GB2080155 A GB 2080155A GB 785950 A GB785950 A GB 785950A
Authority
GB
United Kingdom
Prior art keywords
relating
handset
telephone instruments
tube
glow
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2080155A
Inventor
Robert Anthony Derbyshire
Reginald Bailey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Automatic Telephone and Electric Co Ltd filed Critical Automatic Telephone and Electric Co Ltd
Priority to GB2080155A priority Critical patent/GB785950A/en
Publication of GB785950A publication Critical patent/GB785950A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

785,950. Sets. AUTOMATIC TELEPHONE & ELECTRIC CO., Ltd. May 29, 1956 [July 19, 1955], No. 20801/55. Class 40 (4). A visual calling indicator is mounted in a handset. As shown, a gas-filled cold-cathode diode tube 22 is secured by means of metal clips 20, 21 in a recess in the handle of a handset and is covered by a cover-plate 23 of translucent plastic material. The application of ringing current causes the tube 22 to glow.
GB2080155A 1955-07-19 1955-07-19 Improvements in or relating to telephone instruments Expired GB785950A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2080155A GB785950A (en) 1955-07-19 1955-07-19 Improvements in or relating to telephone instruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2080155A GB785950A (en) 1955-07-19 1955-07-19 Improvements in or relating to telephone instruments

Publications (1)

Publication Number Publication Date
GB785950A true GB785950A (en) 1957-11-06

Family

ID=10151900

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2080155A Expired GB785950A (en) 1955-07-19 1955-07-19 Improvements in or relating to telephone instruments

Country Status (1)

Country Link
GB (1) GB785950A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186153A (en) * 1986-02-05 1987-08-05 Wansor Investments Ltd Illuminating telephone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2186153A (en) * 1986-02-05 1987-08-05 Wansor Investments Ltd Illuminating telephone

Similar Documents

Publication Publication Date Title
GB1002157A (en) A new or improved push-button assembly
GB785950A (en) Improvements in or relating to telephone instruments
JPS5345573A (en) Display device
JPS5422704A (en) Cordless telephone system
JPS5318302A (en) Cordless telephone unit
GB847648A (en) Improvements in or relating to electric switches and indicators therefor
GB870090A (en) Improvements in and relating to telephone instruments
JPS5436106A (en) Service system of no response call back
JPS54146504A (en) Selective calling device
GB876641A (en) Improvements relating to telephone instruments
GB729363A (en) Improvements in and relating to electric glow-discharge apparatus shaped and arranged as signs or indicators
JPS5363903A (en) Wristwatch with pocket bell
JPS5368902A (en) Telephone circuit calling device
JPS5394806A (en) Alarm display circuit for long-time holding of key telephone set
GB924380A (en) Improvements in and relating to semiconductors
GB840103A (en) Improvements in isolator switches
JPS51126714A (en) Vertical deflection power cireuit
ES236232U (en) Improvements in the push buttons for keyboard appliances, especially for telephone appliances. (Machine-translation by Google Translate, not legally binding)
JPS53122304A (en) Key telephone set
JPS54503A (en) Telephon set with selection terminal
JPS5210004A (en) Switching circuit by voice signal
JPS53110403A (en) Key telephone set
JPS51144106A (en) Tone ringer telephone
GB1010134A (en) Improvements in or relating to illuminated indicator dials and scales
AU5936365A (en) Improvements relating to automatic telephone exchanges for subscriber's instruments with push button keysending arrangement