JPH0384657U - - Google Patents
Info
- Publication number
- JPH0384657U JPH0384657U JP14526589U JP14526589U JPH0384657U JP H0384657 U JPH0384657 U JP H0384657U JP 14526589 U JP14526589 U JP 14526589U JP 14526589 U JP14526589 U JP 14526589U JP H0384657 U JPH0384657 U JP H0384657U
- Authority
- JP
- Japan
- Prior art keywords
- concealed
- code
- secret
- card
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Description
第１図はこの考案の一実施例による秘匿無線機
のブロツク図、第２図は秘匿開始信号を発生させ
る詳細回路図、第３図はこの考案の他の実施例を
示す図、第４図は従来の秘匿無線機のブロツク図
である。
図において、１は無線機、２はアンテナ、３は
ＲＦ回路、４はオーデイオ回路、５は変調回路、
６はインタフエイス回路、７は秘匿装置制御回路
、８は秘匿装置、９はオーデイオ信号、１０ａ，
１０ｂは磁気カード、１１は磁気センサー、１２
は抵抗、１３はＩＣ、１４は導体、１５は導通端
子、１６は秘匿開始信号、１７はコード０１、１
８はコード０２、１９はコード２０、２０は秘匿
コード選択スイツチである。なお、図中、同一符
号は同一、または相当部分を示す。
Fig. 1 is a block diagram of a concealed wireless device according to one embodiment of this invention, Fig. 2 is a detailed circuit diagram for generating a concealment start signal, Fig. 3 is a diagram showing another embodiment of this invention, and Fig. 4. is a block diagram of a conventional secret radio device. In the figure, 1 is a radio device, 2 is an antenna, 3 is an RF circuit, 4 is an audio circuit, 5 is a modulation circuit,
6 is an interface circuit, 7 is a hidden device control circuit, 8 is a hidden device, 9 is an audio signal, 10a,
10b is a magnetic card, 11 is a magnetic sensor, 12
is a resistor, 13 is an IC, 14 is a conductor, 15 is a continuity terminal, 16 is a concealment start signal, 17 is a code 01, 1
8 is a code 02, 19 is a code 20, and 20 is a secret code selection switch. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
ードを記憶させた磁気カードとそれを読み取る磁
気センサーとで構成することにより小型化ができ
、また運用面においても秘匿コードの管理を容易
にするとともにカードの抜き差しによつて、秘匿
通信の開始／終了を制御することにより秘匿性を
高めたことを特徴とする秘匿無線機。 Concealed wireless devices with a concealed function can be made smaller by being composed of a magnetic card that stores a concealed code and a magnetic sensor that reads it, and in terms of operation, it is easier to manage the concealed code and the card is A secret radio device characterized in that secrecy is improved by controlling the start/end of secret communication by inserting and removing the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14526589U JPH0384657U (en) | 1989-12-15 | 1989-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14526589U JPH0384657U (en) | 1989-12-15 | 1989-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0384657U true JPH0384657U (en) | 1991-08-28 |
Family
ID=31691914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14526589U Pending JPH0384657U (en) | 1989-12-15 | 1989-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0384657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10187204B2 (en) | 2015-11-17 | 2019-01-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Generating a key for use as a shared secret |
-
1989
- 1989-12-15 JP JP14526589U patent/JPH0384657U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10187204B2 (en) | 2015-11-17 | 2019-01-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Generating a key for use as a shared secret |
| US10554396B2 (en) | 2015-11-17 | 2020-02-04 | Telefonaktiebolaget Lm Ericsson (Publ) | Generating a key for use as a shared secret |
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