FR2195129A1 - - Google Patents
Info
- Publication number
- FR2195129A1 FR2195129A1 FR7328514A FR7328514A FR2195129A1 FR 2195129 A1 FR2195129 A1 FR 2195129A1 FR 7328514 A FR7328514 A FR 7328514A FR 7328514 A FR7328514 A FR 7328514A FR 2195129 A1 FR2195129 A1 FR 2195129A1
- Authority
- FR
- France
- 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.)
- Granted
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
- H04M1/0291—Door telephones
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722238325 DE2238325B2 (de) | 1972-08-04 | 1972-08-04 | Sprechstelle für Türsprech- und Türöffneranlagen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2195129A1 true FR2195129A1 (ja) | 1974-03-01 |
FR2195129B1 FR2195129B1 (ja) | 1976-06-18 |
Family
ID=5852608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7328514A Expired FR2195129B1 (ja) | 1972-08-04 | 1973-08-03 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE803154A (ja) |
DE (1) | DE2238325B2 (ja) |
FR (1) | FR2195129B1 (ja) |
IT (1) | IT992740B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH701692A1 (de) * | 2009-08-26 | 2011-02-28 | Rene Koch Ag | Innensprechstelle zu Türsprechanlage. |
-
1972
- 1972-08-04 DE DE19722238325 patent/DE2238325B2/de not_active Withdrawn
-
1973
- 1973-07-27 IT IT2722073A patent/IT992740B/it active
- 1973-08-02 BE BE134183A patent/BE803154A/xx unknown
- 1973-08-03 FR FR7328514A patent/FR2195129B1/fr not_active Expired
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH701692A1 (de) * | 2009-08-26 | 2011-02-28 | Rene Koch Ag | Innensprechstelle zu Türsprechanlage. |
Also Published As
Publication number | Publication date |
---|---|
BE803154A (fr) | 1973-12-03 |
DE2238325B2 (de) | 1974-12-05 |
FR2195129B1 (ja) | 1976-06-18 |
IT992740B (it) | 1975-09-30 |
DE2238325A1 (de) | 1974-08-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |