NL42490C - - Google Patents
Info
- Publication number
- NL42490C NL42490C NL42490DA NL42490C NL 42490 C NL42490 C NL 42490C NL 42490D A NL42490D A NL 42490DA NL 42490 C NL42490 C NL 42490C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/08—Telephonic communication systems specially adapted for combination with other electrical systems specially adapted for optional reception of entertainment or informative matter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/76—Wired systems
- H04H20/77—Wired systems using carrier waves
- H04H20/81—Wired systems using carrier waves combined with telephone network over which the broadcast is continuously available
-
- 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
- H04M1/04—Supports for telephone transmitters or receivers
- H04M1/06—Hooks; Cradles
- H04M1/08—Hooks; Cradles associated with switches operated by the weight of the receiver or hand-set
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL446044X | 1935-03-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL42490C true NL42490C (en) |
Family
ID=19786276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL42490D NL42490C (en) | 1935-03-08 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE413991A (en) |
FR (1) | FR802176A (en) |
GB (1) | GB446044A (en) |
NL (1) | NL42490C (en) |
-
0
- BE BE413991D patent/BE413991A/xx unknown
- NL NL42490D patent/NL42490C/xx active
-
1935
- 1935-06-04 GB GB16170/35A patent/GB446044A/en not_active Expired
-
1936
- 1936-02-21 FR FR802176D patent/FR802176A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB446044A (en) | 1936-04-23 |
FR802176A (en) | 1936-08-29 |
BE413991A (en) |