NL52079C - - Google Patents
Info
- Publication number
- NL52079C NL52079C NL52079DA NL52079C NL 52079 C NL52079 C NL 52079C NL 52079D A NL52079D A NL 52079DA NL 52079 C NL52079 C NL 52079C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/16—Automatic frequency control where the frequency control is accomplished by mechanical means, e.g. by a motor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE207426X | 1937-06-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL52079C true NL52079C (zh) |
Family
ID=5793717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL52079D NL52079C (zh) | 1937-06-11 |
Country Status (3)
Country | Link |
---|---|
US (1) | US2175320A (zh) |
CH (1) | CH207426A (zh) |
NL (1) | NL52079C (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2490844A (en) * | 1940-05-16 | 1949-12-13 | Helen S Sorensen | Radio remote-control aircraft system |
BE474943A (zh) * | 1945-10-10 | |||
US2595608A (en) * | 1948-12-30 | 1952-05-06 | Rca Corp | Automatically tuned wide range receiver and transmitter |
US2581594A (en) * | 1948-12-30 | 1952-01-08 | Rca Corp | Wide-range high stability frequency generating system |
-
0
- NL NL52079D patent/NL52079C/xx active
-
1938
- 1938-06-09 CH CH207426D patent/CH207426A/de unknown
- 1938-07-09 US US218272A patent/US2175320A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CH207426A (de) | 1939-10-31 |
US2175320A (en) | 1939-10-10 |