NL81651C - - Google Patents
Info
- Publication number
- NL81651C NL81651C NL81651DA NL81651C NL 81651 C NL81651 C NL 81651C NL 81651D A NL81651D A NL 81651DA NL 81651 C NL81651 C NL 81651C
- Authority
- NL
- Netherlands
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE282227X | 1949-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL81651C true NL81651C (en:Method) |
Family
ID=6039935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL81651D NL81651C (en:Method) | 1949-06-23 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2888521A (en:Method) |
| BE (1) | BE496430A (en:Method) |
| CH (1) | CH282227A (en:Method) |
| GB (1) | GB672490A (en:Method) |
| NL (1) | NL81651C (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3293367A (en) * | 1963-08-27 | 1966-12-20 | Loehr John | Binary switching intercommunicating telephone system |
| US3295342A (en) * | 1964-08-21 | 1967-01-03 | Berwyn E Etter | Locking device |
| US4199666A (en) * | 1977-07-25 | 1980-04-22 | Davis Howard S | Straight line telephone dialer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB366408A (en) * | 1930-06-18 | 1932-02-04 | Siemens Ag | Improvements relating to impulse transmitters used in telephone systems |
| US2502440A (en) * | 1947-01-21 | 1950-04-04 | Int Standard Electric Corp | Variable impulse transmitter |
| US2635230A (en) * | 1950-11-13 | 1953-04-14 | Bell Telephone Labor Inc | Linear dial call transmitter |
-
0
- BE BE496430D patent/BE496430A/xx unknown
- NL NL81651D patent/NL81651C/xx active
-
1950
- 1950-06-12 CH CH282227D patent/CH282227A/de unknown
- 1950-06-23 GB GB15797/50A patent/GB672490A/en not_active Expired
-
1955
- 1955-05-16 US US508380A patent/US2888521A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB672490A (en) | 1952-05-21 |
| BE496430A (en:Method) | |
| US2888521A (en) | 1959-05-26 |
| CH282227A (de) | 1952-04-15 |