CH269356A - Signalsendeeinrichtung. - Google Patents
Signalsendeeinrichtung.Info
- Publication number
- CH269356A CH269356A CH269356DA CH269356A CH 269356 A CH269356 A CH 269356A CH 269356D A CH269356D A CH 269356DA CH 269356 A CH269356 A CH 269356A
- Authority
- CH
- Switzerland
- Prior art keywords
- transmission device
- signal transmission
- signal
- transmission
- Prior art date
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
- H04M1/515—Devices for calling a subscriber by generating or selecting signals other than trains of pulses of similar shape, or signals other than currents of one or more different frequencies, e.g. generation of DC signals of alternating polarity, coded pulses or impedance dialling
-
- 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
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses
- H04Q1/34—Impulse regenerators with mechanical or other non-electrical marking arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Structure Of Telephone Exchanges (AREA)
- Telephone Set Structure (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US523626A US2406001A (en) | 1944-02-24 | 1944-02-24 | Electrical signaling system |
| US583478A US2434910A (en) | 1944-02-24 | 1945-03-19 | Electrical impulse sending device |
| US723446A US2502440A (en) | 1947-01-21 | 1947-01-21 | Variable impulse transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH269356A true CH269356A (de) | 1950-06-30 |
Family
ID=27414872
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH265061D CH265061A (fr) | 1944-02-24 | 1947-02-18 | Installation de signalisation. |
| CH269356D CH269356A (de) | 1944-02-24 | 1948-01-12 | Signalsendeeinrichtung. |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH265061D CH265061A (fr) | 1944-02-24 | 1947-02-18 | Installation de signalisation. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2434910A (de) |
| BE (2) | BE467162A (de) |
| CH (2) | CH265061A (de) |
| DE (1) | DE869502C (de) |
| FR (2) | FR938184A (de) |
| GB (1) | GB605049A (de) |
| NL (1) | NL70470C (de) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US316686A (en) * | 1885-04-28 | van hoevenbeegh | ||
| US1251249A (en) * | 1915-01-18 | 1917-12-25 | Joseph H Lehman | Combined timer, distributer, and current-reversing device. |
| US1415369A (en) * | 1917-10-30 | 1922-05-09 | Joseph H Lehman | Electric-current making, breaking, and reversing device |
| US1743711A (en) * | 1925-11-21 | 1930-01-14 | Bell Telephone Labor Inc | Supervisory system |
| US2052057A (en) * | 1929-01-04 | 1936-08-25 | Reid Frederick | Fire alarm system |
| US2136630A (en) * | 1935-08-13 | 1938-11-15 | Bell Telephone Labor Inc | Telephone system |
| GB501353A (en) * | 1937-08-25 | 1939-02-27 | Automatic Telephone & Elect | Improvements in or relating to impulse sending arrangements for use in telephone or like systems |
-
0
- NL NL70470D patent/NL70470C/xx active
- BE BE466097D patent/BE466097A/xx unknown
- BE BE467162D patent/BE467162A/xx unknown
-
1944
- 1944-12-08 GB GB24603/44A patent/GB605049A/en not_active Expired
-
1945
- 1945-03-19 US US583478A patent/US2434910A/en not_active Expired - Lifetime
-
1946
- 1946-03-27 FR FR938184D patent/FR938184A/fr not_active Expired
-
1947
- 1947-02-18 CH CH265061D patent/CH265061A/fr unknown
-
1948
- 1948-01-12 CH CH269356D patent/CH269356A/de unknown
- 1948-01-22 FR FR58602D patent/FR58602E/fr not_active Expired
-
1950
- 1950-10-01 DE DEI3006A patent/DE869502C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR938184A (fr) | 1948-09-07 |
| CH265061A (fr) | 1949-11-15 |
| DE869502C (de) | 1953-03-05 |
| BE467162A (de) | |
| BE466097A (de) | |
| US2434910A (en) | 1948-01-27 |
| GB605049A (en) | 1948-07-15 |
| FR58602E (fr) | 1954-03-02 |
| NL70470C (de) |
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