GB234296A - Improvements in or relating to telephone instruments - Google Patents
Improvements in or relating to telephone instrumentsInfo
- Publication number
- GB234296A GB234296A GB1434224A GB1434224A GB234296A GB 234296 A GB234296 A GB 234296A GB 1434224 A GB1434224 A GB 1434224A GB 1434224 A GB1434224 A GB 1434224A GB 234296 A GB234296 A GB 234296A
- Authority
- GB
- United Kingdom
- Prior art keywords
- switch
- relating
- controlled
- lost motion
- telephone instruments
- 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
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
- H04M1/04—Supports for telephone transmitters or receivers
- H04M1/06—Hooks; Cradles
- H04M1/08—Hooks; Cradles associated with switches operated by the weight of the receiver or hand-set
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
234,296. Siemens Bros. & Co., Ltd., Petithory, E. A., and Baker, F. June 13, 1924. Addition to 113,565. Supporting. - In devices as described in the parent Specification in which the unintentional operation of the switch, controlled by the weight of a handset, is prevented by the employment of a lost motion device between the operating set and the switch contacts, a freely pivoted member 12 is operated in either direction after due lost motion by abutments 14, 15 on the switch arm 1, and is positioned and controlled by a bulge 13 on a spring member 9 which operates the instrument contacts 6, 7, 8.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB113565D GB113565A (en) | 1924-06-13 | ||
GB1027421A GB181539A (en) | 1924-06-13 | 1921-04-07 | Improvements in or relating to telephones |
GB424323A GB215461A (en) | 1924-06-13 | 1923-02-13 | Improvements in or relating to telephones |
GB1434224A GB234296A (en) | 1924-06-13 | 1924-06-13 | Improvements in or relating to telephone instruments |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1434224A GB234296A (en) | 1924-06-13 | 1924-06-13 | Improvements in or relating to telephone instruments |
Publications (1)
Publication Number | Publication Date |
---|---|
GB234296A true GB234296A (en) | 1925-05-28 |
Family
ID=10039450
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB113565D Active GB113565A (en) | 1924-06-13 | ||
GB1027421A Expired GB181539A (en) | 1924-06-13 | 1921-04-07 | Improvements in or relating to telephones |
GB424323A Expired GB215461A (en) | 1924-06-13 | 1923-02-13 | Improvements in or relating to telephones |
GB1434224A Expired GB234296A (en) | 1924-06-13 | 1924-06-13 | Improvements in or relating to telephone instruments |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB113565D Active GB113565A (en) | 1924-06-13 | ||
GB1027421A Expired GB181539A (en) | 1924-06-13 | 1921-04-07 | Improvements in or relating to telephones |
GB424323A Expired GB215461A (en) | 1924-06-13 | 1923-02-13 | Improvements in or relating to telephones |
Country Status (1)
Country | Link |
---|---|
GB (4) | GB181539A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3125812C2 (en) * | 1981-06-30 | 1989-05-18 | Siemens AG, 1000 Berlin und 8000 München | Electromechanical switchgear for telephones |
-
0
- GB GB113565D patent/GB113565A/en active Active
-
1921
- 1921-04-07 GB GB1027421A patent/GB181539A/en not_active Expired
-
1923
- 1923-02-13 GB GB424323A patent/GB215461A/en not_active Expired
-
1924
- 1924-06-13 GB GB1434224A patent/GB234296A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB181539A (en) | 1922-06-22 |
GB215461A (en) | 1924-05-13 |
GB113565A (en) |
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