Malay translation: telekawalan jauh

15:06 Sep 24, 2006
English to Malay translations [PRO]
Tech/Engineering - Electronics / Elect Eng / electronics
English term or phrase: teleremote
Here is a teleremote circuit which enables switching ?on? and ?off? of appliances through telephone lines. It can be used to switch appliances from any distance, overcoming the limited range of infrared and radio remote controls.
The circuit described here can be used to switch up to nine appliances (corresponding to the digits 1 through 9 of the telephone key-pad). The DTMF signals on telephone instrument are used as control signals. The digit ?0? in DTMF mode is used to toggle between the appliance mode and normal telephone operation mode. Thus the telephone can be used to switch on or switch off the appliances also while being used for normal conversation.
The circuit uses IC KT3170 (DTMF-to-BCD converter), 74154 (4-to-16-line demult-iplexer), and five CD4013 (D flip-flop) ICs. The working of the circuit is as follows.
Once a call is established (after hearing ring-back tone), dial ?0? in DTMF mode. IC1 decodes this as ?1010,? which is further demultiplexed by IC2 as output O10 (at pin 11) of IC2 (74154). The active low output of IC2, after inversion by an inverter gate of IC3 (CD4049), becomes logic 1. This is used to toggle flip-flop-1 (F/F-1) and relay RL1 is energised. Relay RL1 has two changeover contacts, RL1(a) and RL1(b). The energised RL1(a) contacts provide a 220-ohm loop across the telephone line while RL1(b) contacts inject a 10kHz tone on the line, which indicates to the caller that appliance mode has been selected. The 220-ohm loop on telephone line disconnects the ringer from the telephone line in the exchange. The line is now connected for appliance mode of operation.
If digit ?0? is not dialed (in DTMF) after establishing the call, the ring continues and the telephone can be used for normal conversation. After selection of the appliance mode of operation, if digit ?1? is dialed, it is decoded by IC1 and its output is ?0001?. This BCD code is then demultiplexed by 4-to-16-line demultiplexer IC2 whose corresponding output, after inversion by a CD4049 inverter gate, goes to logic 1 state. This pulse toggles the corresponding flip-flop to alternate state. The flip-flop output is used to drive a relay (RL2) which can switch on or switch off the appliance connected through its contacts. By dialing other digits in a similar way, other appliances can also be switched ?on? or ?off.?
Once the switching operation is over, the 220-ohm loop resistance and 10kHz tone needs to be removed from the telephone line. To achieve this, digit ?0? (in DTMF mode) is dialed again to toggle flip-flop-1 to de-energise relay RL1, which terminates the loop on line and the 10kHz tone is also disconnected. The telephone line is thus again set free to receive normal calls.This circuit is to be connected in parallel to the telephone instrument.
Malay translation:telekawalan jauh
mengikut pemahaman saya, ini boleh diterbitkan berdasarkan telefon (tele + phone), telekomunikasi (tele + communication)
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4 +5telekawalan jauh



17 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +5
telekawalan jauh

mengikut pemahaman saya, ini boleh diterbitkan berdasarkan telefon (tele + phone), telekomunikasi (tele + communication)

Example sentence(s):
  • Ini ialah litar telekawalan jauh yang membolehkan.........
Local time: 09:10
Specializes in field
Native speaker of: Native in MalayMalay
PRO pts in category: 12
Grading comment
Selected automatically based on peer agreement.

Peer comments on this answer (and responses from the answerer)
agree  yam2u
15 mins

agree  mizuan
9 hrs

agree  hanim
9 hrs

agree  Nasima Sarwar
1 day 12 hrs

agree  Shakirah Md Zain
6 days
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