NL144800B - Radiozend- en ontvanginrichting. - Google Patents
Radiozend- en ontvanginrichting.Info
- Publication number
- NL144800B NL144800B NL63298886A NL298886A NL144800B NL 144800 B NL144800 B NL 144800B NL 63298886 A NL63298886 A NL 63298886A NL 298886 A NL298886 A NL 298886A NL 144800 B NL144800 B NL 144800B
- Authority
- NL
- Netherlands
- Prior art keywords
- receiving device
- radio sending
- sending
- radio
- receiving
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/022—Selective call receivers
- H04W88/025—Selective call decoders
- H04W88/027—Selective call decoders using frequency address codes
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US230880A US3250997A (en) | 1962-10-16 | 1962-10-16 | Encoder-decoder device for selective signaling |
Publications (1)
Publication Number | Publication Date |
---|---|
NL144800B true NL144800B (nl) | 1975-01-15 |
Family
ID=22866940
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL63298886A NL144800B (nl) | 1962-10-16 | 1963-10-07 | Radiozend- en ontvanginrichting. |
Country Status (7)
Country | Link |
---|---|
US (1) | US3250997A (xx) |
DE (1) | DE1297714B (xx) |
DK (1) | DK109812C (xx) |
FR (1) | FR1376798A (xx) |
GB (1) | GB979947A (xx) |
LU (1) | LU44612A1 (xx) |
NL (1) | NL144800B (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3418577A (en) * | 1963-11-07 | 1968-12-24 | Perry Lab Inc | Encoder-decoder device for selective calling |
US3496467A (en) * | 1967-10-13 | 1970-02-17 | Motorola Inc | Automatic tone coded squelch circuit for radio communication system |
US3584302A (en) * | 1969-01-10 | 1971-06-08 | Motorola Inc | Encoder-decoder circuit including a continuously operable oscillator circuit |
US3946313A (en) * | 1974-10-15 | 1976-03-23 | Motorola, Inc | Combined encoder-decoder apparatus having a single active filter |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1708945A (en) * | 1922-01-06 | 1929-04-16 | Western Electric Co | Selective transmission system |
US2113365A (en) * | 1935-07-31 | 1938-04-05 | Rca Corp | Oscillator |
US2147492A (en) * | 1935-10-17 | 1939-02-14 | Gen Electric | Oscillation generator |
CH205699A (de) * | 1938-07-19 | 1939-06-30 | Siemens Ag Albis | Verfahren zum Einrichten von gerichteten Sende- und Empfangsgeräten. |
US2421468A (en) * | 1944-08-25 | 1947-06-03 | Rca Corp | Selective transmitting, receiving, and oscillator circuit |
FR997704A (xx) * | 1948-12-30 | |||
US3138755A (en) * | 1962-04-09 | 1964-06-23 | Honeywell Regulator Co | Transceiver selective call system utilizing tuned reed filters |
-
0
- FR FR1376798D patent/FR1376798A/fr active Active
- GB GB979947D patent/GB979947A/en active Active
-
1962
- 1962-10-16 US US230880A patent/US3250997A/en not_active Expired - Lifetime
-
1963
- 1963-09-30 DK DK458863AA patent/DK109812C/da active
- 1963-10-07 NL NL63298886A patent/NL144800B/xx unknown
- 1963-10-12 LU LU44612D patent/LU44612A1/xx unknown
- 1963-10-16 DE DEM58591A patent/DE1297714B/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DK109812C (da) | 1968-07-08 |
FR1376798A (xx) | |
US3250997A (en) | 1966-05-10 |
DE1297714B (de) | 1969-06-19 |
GB979947A (xx) | |
LU44612A1 (xx) | 1963-12-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
VJC | Lapsed due to non-payment of the due maintenance fee for the patent or patent application | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: MOTOROLA |