GB739873A - Selective switch for an intercommunicating telephone system - Google Patents
Selective switch for an intercommunicating telephone systemInfo
- Publication number
- GB739873A GB739873A GB10540/54A GB1054054A GB739873A GB 739873 A GB739873 A GB 739873A GB 10540/54 A GB10540/54 A GB 10540/54A GB 1054054 A GB1054054 A GB 1054054A GB 739873 A GB739873 A GB 739873A
- Authority
- GB
- United Kingdom
- Prior art keywords
- finger
- plate
- contacts
- spring blade
- telephone system
- 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
- H04M1/26—Devices for calling a subscriber
- H04M1/52—Arrangements wherein a dial or the like is mechanically coupled to a line selector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE739873X | 1954-01-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB739873A true GB739873A (en) | 1955-11-02 |
Family
ID=6643140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB10540/54A Expired GB739873A (en) | 1954-01-19 | 1954-04-09 | Selective switch for an intercommunicating telephone system |
Country Status (5)
Country | Link |
---|---|
US (1) | US2794861A (de) |
BE (1) | BE526806A (de) |
FR (1) | FR1107002A (de) |
GB (1) | GB739873A (de) |
NL (2) | NL185694B (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3103401A (en) * | 1960-08-24 | 1963-09-10 | daniels etal | |
US3365550A (en) * | 1964-06-30 | 1968-01-23 | Bell Telephone Labor Inc | Telephone set |
US3647972A (en) * | 1968-08-16 | 1972-03-07 | Squaires Sanders Inc | Low-cost portable terminal device for electronic data processing |
US7333092B2 (en) | 2002-02-25 | 2008-02-19 | Apple Computer, Inc. | Touch pad for handheld device |
US20070152983A1 (en) | 2005-12-30 | 2007-07-05 | Apple Computer, Inc. | Touch pad with symbols based on mode |
US8918736B2 (en) * | 2006-01-05 | 2014-12-23 | Apple Inc. | Replay recommendations in a text entry interface |
US7860536B2 (en) | 2006-01-05 | 2010-12-28 | Apple Inc. | Telephone interface for a portable communication device |
US8022935B2 (en) | 2006-07-06 | 2011-09-20 | Apple Inc. | Capacitance sensing electrode with integrated I/O mechanism |
US7667148B2 (en) * | 2006-10-13 | 2010-02-23 | Apple Inc. | Method, device, and graphical user interface for dialing with a click wheel |
US8621380B2 (en) | 2010-01-06 | 2013-12-31 | Apple Inc. | Apparatus and method for conditionally enabling or disabling soft buttons |
US8754860B2 (en) | 2010-11-05 | 2014-06-17 | Apple Inc. | Device, method, and graphical user interface for manipulating soft keyboards |
US8587547B2 (en) | 2010-11-05 | 2013-11-19 | Apple Inc. | Device, method, and graphical user interface for manipulating soft keyboards |
US9436381B2 (en) | 2011-01-24 | 2016-09-06 | Apple Inc. | Device, method, and graphical user interface for navigating and annotating an electronic document |
US9250798B2 (en) | 2011-01-24 | 2016-02-02 | Apple Inc. | Device, method, and graphical user interface with a dynamic gesture disambiguation threshold |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1290645A (en) * | 1917-05-07 | 1919-01-07 | Theodore H Nelson | Switching mechanism for intercommunicating telephone systems. |
GB297454A (en) * | 1927-09-22 | 1929-09-12 | Siemens Ag | Improvements in or relating to telephone sets incorporating manually operable selectors |
US1894828A (en) * | 1931-04-27 | 1933-01-17 | Associated Electric Lab Inc | Substation telephone set |
NL39596C (de) * | 1933-03-29 | |||
GB436404A (en) * | 1934-06-21 | 1935-10-10 | Edward Shipton | Improvements in manually operable selectors suitable for use in intercommunicating telephone systems |
FR823685A (fr) * | 1936-07-18 | 1938-01-25 | Sélecteur téléphonique | |
US2370264A (en) * | 1943-05-29 | 1945-02-27 | Bell Telephone Labor Inc | Telephone call transmitter |
BE462287A (de) * | 1945-01-17 |
-
0
- NL NL91183D patent/NL91183C/xx active
- NL NLAANVRAGE8103548,B patent/NL185694B/xx unknown
- BE BE526806D patent/BE526806A/xx unknown
-
1954
- 1954-03-31 US US420172A patent/US2794861A/en not_active Expired - Lifetime
- 1954-04-09 GB GB10540/54A patent/GB739873A/en not_active Expired
- 1954-08-31 FR FR1107002D patent/FR1107002A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL91183C (de) | |
BE526806A (de) | |
US2794861A (en) | 1957-06-04 |
FR1107002A (fr) | 1955-12-27 |
NL185694B (nl) |
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