AT266945B - Intercom - Google Patents
IntercomInfo
- Publication number
- AT266945B AT266945B AT938564A AT938564A AT266945B AT 266945 B AT266945 B AT 266945B AT 938564 A AT938564 A AT 938564A AT 938564 A AT938564 A AT 938564A AT 266945 B AT266945 B AT 266945B
- Authority
- AT
- Austria
- Prior art keywords
- intercom
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1369263A CH418405A (en) | 1963-11-07 | 1963-11-07 | Intercom |
Publications (1)
Publication Number | Publication Date |
---|---|
AT266945B true AT266945B (en) | 1968-12-10 |
Family
ID=4394524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT938564A AT266945B (en) | 1963-11-07 | 1964-11-05 | Intercom |
Country Status (2)
Country | Link |
---|---|
AT (1) | AT266945B (en) |
CH (1) | CH418405A (en) |
-
1963
- 1963-11-07 CH CH1369263A patent/CH418405A/en unknown
-
1964
- 1964-11-05 AT AT938564A patent/AT266945B/en active
Also Published As
Publication number | Publication date |
---|---|
CH418405A (en) | 1966-08-15 |
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