BE440661A - - Google Patents
Info
- Publication number
- BE440661A BE440661A BE440661DA BE440661A BE 440661 A BE440661 A BE 440661A BE 440661D A BE440661D A BE 440661DA BE 440661 A BE440661 A BE 440661A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/36—Repeater circuits
- H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H1/00—Supports or stands forming part of or attached to cycles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H2700/00—Supports or stands for two-wheel vehicles
- B62H2700/005—Stands or support attached to bicycle pedals, stands or supports in combination with locking devices, stands to be used as luggage carrier
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE216838X | 1940-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440661A true BE440661A (en:Method) |
Family
ID=5830413
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440661D BE440661A (en:Method) | 1940-03-13 | ||
| BE440664D BE440664A (en:Method) | 1940-03-13 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440664D BE440664A (en:Method) | 1940-03-13 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2323033A (en:Method) |
| BE (2) | BE440664A (en:Method) |
| CH (1) | CH216838A (en:Method) |
| FR (1) | FR873651A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5125026A (en) * | 1989-12-21 | 1992-06-23 | H & K Devices, Inc. | Internal telephone intercom system |
-
0
- BE BE440661D patent/BE440661A/xx unknown
- BE BE440664D patent/BE440664A/xx unknown
-
1941
- 1941-02-20 CH CH216838D patent/CH216838A/de unknown
- 1941-04-22 US US389714A patent/US2323033A/en not_active Expired - Lifetime
- 1941-07-04 FR FR873651D patent/FR873651A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE440664A (en:Method) | |
| US2323033A (en) | 1943-06-29 |
| FR873651A (fr) | 1942-07-16 |
| CH216838A (de) | 1941-09-15 |