NL36615C - - Google Patents
Info
- Publication number
- NL36615C NL36615C NL36615DA NL36615C NL 36615 C NL36615 C NL 36615C NL 36615D A NL36615D A NL 36615DA NL 36615 C NL36615 C NL 36615C
- Authority
- NL
- Netherlands
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/18—Stabilised platforms, e.g. by gyroscope
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES96787D DE621871C (en) | 1931-02-15 | 1931-02-15 | Circuit arrangement for telecommunications, in particular telephone systems, in which alternating current relays are used with several windings for simultaneous alternating current impulses |
Publications (1)
Publication Number | Publication Date |
---|---|
NL36615C true NL36615C (en) |
Family
ID=7520286
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL36615D NL36615C (en) | 1931-02-15 | ||
NL57315D NL57315C (en) | 1931-02-15 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL57315D NL57315C (en) | 1931-02-15 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE621871C (en) |
NL (2) | NL57315C (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE873105C (en) * | 1948-11-24 | 1953-04-09 | Siemens Ag | Circuit arrangement for the transmission of metering currents over telephone lines |
DE909109C (en) * | 1949-02-16 | 1954-04-12 | Siemens Ag | Circuit arrangement for counting connections according to time and zone in telephone systems |
DE903598C (en) * | 1951-04-29 | 1954-02-08 | Mix & Genest Ag | Circuit arrangement for alternating current selection |
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0
- NL NL36615D patent/NL36615C/xx active
- NL NL57315D patent/NL57315C/xx active
-
1931
- 1931-02-15 DE DES96787D patent/DE621871C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE621871C (en) | 1935-11-14 |
NL57315C (en) |