JPS60251730A - Cordless telephone set - Google Patents

Abstract

PURPOSE:To identify various intercom talkings by switching the talking state with one key operation based on the check result of the operating state of a handset and a base unit. CONSTITUTION:When an intercom key 153 is depressed within a prescribed period after handsets 110, 120 are hooked off, a telephone set 4 is connected to a handset 1 though a base unit 2 so as to attain intercom communication with the telephone set 4. When the intercom key 153 is depressed at the said prescribed period after the handsets 110, 120 are hooked off, a telephone call on an external line is held and a telephone set (not shown in figure) is connected to the handset 1 via the base unit at the same time so as to attain intercom talking with the handset 1.

Description

[Detailed description of the invention] Industrial applications TECHNICAL FIELD This invention relates to -I-Rusthra/;j-n.

jIv Kei technique and the time N'! J point: 1 liter for a regular phone) So, what about that? The story coat is
It is connected to a l-1-z attached to a pillar or wall. Therefore, the range in which a telephone can be moved is determined by its power supply 2+-l. Al!i21-de], i < ] and 1.
: 1-L is tangled or gets in the way.”
j L, mau.

So, in America, it is 713. which is called 2z-F Resarepon. A filling machine system is being considered.

As shown in Figure 1, this system consists of a transmitter/receiver called a handset (1) and a transmitter/receiver (2) called a handset. (3)
is connected to Hess Uniso, l-(2+, and -・
- The system unit (2) and the Hunt Center (1) are connected by radio waves, and calls from subscribers are received using the handset unit (2) and the Hunt Center (1) in the same way as a general telephone. 4)
It is.

Therefore, the subscriber can move the handset freely when making a call, and the telephone cord will not get tangled or get in the way.

Please note that the distance that the handset (1) can be separated from the Heath Unicorn (21) is 1'llt (service area).
is about 300m. Also, the handset (1, 1
The frequency of the radio waves used between Japan and Heath Unison 2) is 49M, 49M, and 46M channels.
It is the old IZ belt and 10 years old or FC.
C is recognized by C (number (iN is provisional Q', j)
.

By the way, in some cordless telephones, the hearing unit (2) is equipped with a microphone and a speaker, and these microphones and speakers make a
- (To have an iin conversation between 21 and external line 7111.

II To have a conversation between Base Uni h121 and Hunt Cent l) (inkcam J11 talk).

There is also 4) which made the function II1.

However, Section 11 - Ink Cam J! )) In the story, there is a case where there is an ink cam 311! conversation between the i car and the Han Fpsol (11) and the Hess Unisol (2+), and the outside line 'dλ story is not involved.

11 Hand cent (1
) and base unisol l-(2+ to transfer from one side to the other, hunt seso l-fl,) and pace unit (
2) ° (When talking with Intercom J111.

There is.

And IJ, white ink cam 11! When f +4i'l, it is necessary to keep the line (3) open so that it can accept calls from the Tato line, - , it is necessary to put the outside line on hold.However, before making the intercut call, it is necessary to check whether the call was with an outside line or not.

For this reason, the conventional ink cam 1ltj phone, fil:
In addition, for cordless telephones (in the evening)
Bold key to hold the line: J -1'
Change the answer telephone to telephone mode and intercom mode. Set the T knee 1' switch, and the hand sesso l- (21 to 11') to push out the :l key. By operating these keys and switches, the ink cam calls in items i and 11 can be realized.

However, operating such keys and switches is complicated and difficult to operate. If you enter the wrong number 1llJ, you may not be able to make an ink cam call, or in the worst case scenario, your outside line will be disconnected. When the ink cam call is over, switch the mode switch to phone mode.
This is equivalent to not leaving the handset on a regular phone (off-hook), so the next time you make an outside call from Pancent (1), this is the only way you can make an outside call. ζ Put away.

Sogo (,:I -1' 1.), use/bon θ door 1, i
Current 19j letter! 〆ii, and this (,,: J
, j'l i I: (j and ii, ':i' tap) Ink cam call is easy Iy g-1:vi ('l, 1,
It is conceivable that sl', I fjf 11'o/').

However, this /, one person is also next, ';11',
1, it's hard to see. -・1
), 1'nel), 21st "! I to Bozuyofu, -\-Suunino I (1shi) to general 'f, li, 1 love (mouth 4)
Continuing 4"g, remove the transmitter/packer of this telephone (4) 1 =
1111 episode 11 with il and ink cam jIn
In addition to using it as a microphone and speaker when speaking, a push button/jL telephone (4) is used as the telephone (4).
1+, ,'I: may be used.

Then, in the case of 1,・), you can easily check the on-sock and meso-sock of the handset of Cat, 71t + Cho (/I), but the dial 1-(Butushki)
Since the output of the sound f"(?+ is 11), the detection amount of the tire archi 1 Raku becomes 11] monovalent ζ, and the detected amount (Raku) is Therefore, if an intercom call is made from Hess Unison L-(21 to light(it L), it will not be possible to distinguish between the i term and the 11th term.

OBJECT OF THE INVENTION The present invention attempts to solve the problem of one spoonful per mouth.

Summary of the Invention Now, the pace unit (2) calls the handset (1) and the pace unit (2) calls the handset (1).
Considering the case of making a call using the ink cam (ink cam call in Section 1), this means that the base unit (2) side picks up the handset of the telephone (4) and then releases the handset (1 call) within a few seconds, for example within 5 seconds. It is Zeng Tong who calls.

Also, the pace unit (2) makes a call to an outside line, puts the call on hold, and the pace unit (2) calls the hand cent (1) and makes an ink cam call with the hand cent (1). When doing (IIR14 ink cam call), pick up the handset of the telephone (4) - wait a few seconds before calling the handset (l-fl) from beard C - 1-1
For example, a person who stays for more than 5 seconds is a passerby.

Therefore, the base unit (2) smell ζ, the phone (4)
If you press any key for an ink cam call within 5 seconds after picking up the handset, then
．． Ru Ink Cam j Jr! If you press a key for a conversation on the ink cam after 5 seconds have passed, then ii;+4. 'l'I l1li L will not cause any problem if it is for a 1 degree computer call.

Therefore, in the present invention, ζ checks the gv production status of the hunt set (It) and the base unit (2), and based on the check result, 1I by 1 production of one key.
14 and ii J:ll's ink cam traces the old days. And in that case, especially -\-suunisol
- (21 odor ζ is the transmission and reception of the telephone (4), i?, the device is removed and the device is removed "ζ from that key Q month 11"! Also check the time of the egg created', This system is designed to realize the ink cam communication of irJ"I and Section 11.

Embodiment First, the basic AJ-like structure and operation of the hunt set signal system will be explained. In this example, it is assumed that the communication between the 1J (handset 1) and the base unit (2) is the A channel or 2 channels of 13 channels.

In FIG. 3, the hunt set is a transmitting circuit, and (120) is a receiving circuit. Also, the fourth
The figure is Hess:! knit (2) - example small, (210
) is a transmitting circuit, and (220) is a receiving circuit.

When making a call, the handset (1) smells (
, Send, Voice message from Ill! ．． J, S.L.
However, the low frequency an-)' (112) fiJn si'
(FM change i11ii1 1+11 road (113)
D. lJ (is supplied and converted into an upstream A channel or 13 channel FM signal St1, and this F MIt:
! l"f 3 ports, 1" single frequency power amplifier (+14
) and the antenna (10
0) and transmitted to the base unit (2).

Then, the base unit (2) smell-C is the signal (radio wave) from the hand center (1), and the antenna (20
0), and its received signal Su is received by both -1
．． Bandpass filter with rechannel as passband (
221') and the image frequency amplifier (222) to the mixer circuit (223). A local light 1 signal of a predetermined frequency is output from the oscillating circuit (224).
Rotation i7i'+ (22:( ) (,:: 1.'
, is supplied (I1, °・JS u &;l intermediate 1・-1 wave (rl'''>), - intermediate Jail j skin i, ;-shi or intermediate frequency amplifier (225) in e
゛(t゛M 1 given. IIM lnl lI+it (
226) is supplied to ゛(hull f, 1νjS(kafjj
at. 'J i,'' ll-,, the second signal SL is I1 (frequency amplifier (z27) ``high/reno'' one circuit (23) ') = · IJ1/- circuit (2:, +2). - B is sent to the telephone line (3) through Finn.

, -, then 1, - 1/8 (232) is Hess Unisol l- +21 t”dj.iillr times 1
! it(:cl cl: )l'i;l! ,+ Relay that goes to NoJ, and -:L-, to No1, after (2) and line (:3) are connected, call -lRill 1tli Jru At that time, there is a hall 1, sushi, etc. to keep that perspective (3) on hold.
Ru.

In addition, on the receiver 11,) (1, 1, I. tqSr with a voice to I from the C11 telephone line (3), the receiver of Hunt 7 Sol (1.1) 128).In other words, the voice signal from line (3) is supplied to relay line C232) - high resolution circuit (2).
:+1) -・Low frequency amplifier (212) Id! -+ line ill'l l no r7 FM Henmasu IMI111M
3 (213) ni' (provided FM Haku'i3Su
Same as Nayan ¥1-Richi Tunnel FM Count%j, 4
The Sd converted to Hd is supplied to the antenna (200) through a commercial wave power amplifier (214) and a bandpass filter (215) with both downlink channels as passbands, and is then supplied to the antenna (200). 1).

The hand cent (1) odor ′ζ is generated when the signal Sd from the pace unit (2) is received by the antenna (100), and the received signal Sd is filtered through a band pass filter whose pass band is both channels 1 and 9. (121) and the mixer circuit (123) through the M1 frequency amplifier (122).
), a local oscillation signal of a predetermined frequency is supplied from the local oscillation circuit (124) to the mixer circuit (123), and the signal Sd is converted into an intermediate frequency signal, and this intermediate frequency signal is supplied to the intermediate frequency amplifier (125). ) is supplied to the FM demodulation circuit (126) to demodulate the audio signal Sr, and this signal Sr is supplied to the receiver (126) through the low frequency amplifier (127).
28).

Furthermore, handsef l-(11 smell °ζ, (140)
indicates a control circuit that controls communication channels, etc.

This control circuit (]40) is composed of a one-chip type microcomputer, and (141)
For example, is a 4-hit parallel processing CPU, (142) is a ROM in which a program is written, (143) is a RAM for a work area, and (144) is an input/output board.

And, My Gonon (140) has a dial key (1
51), )-x switch (152), ink cam key (
153), Chiton Furuki (154) and Ninepus Isochi (155) are connected. In this case, the dial key (15) is used to input the telephone number of the other party manually, and the talk switch (452) is used to select the operation mode of HuntSent (1). This is a 3-position changeover switch, and when the switch (152) is at contact 0, the mini 1 in (1
The power of other circuits except 40) is turned off (off-sade), and when the contact S is on, the circuit is in a standby state (standby contact -1) to receive the signal Sd from the pace unit (2),
When the contact 'r is connected, the communication state between the Huff 1 set (1) and the --s unit (2) is established (1-1 mode), and it is normally connected to the standby contact S.

In addition, the channel key (1, 54) is the hand cent (
This switch is used to change the communication channel between the pace unit (1) and the pace unit (2) to channel A or channel B. Furthermore, a switch (155)
is for giving the identification code F I ]),
The outputs of these keys and switches (151) = (155) are supplied to the microcomputer (140).

Furthermore, (161) indicates an MSK modulation circuit, and the circuit converts various control signals from the microcomputer (140), such as switch signals when switches (151,) to (154) are operated, into the audio band. It is for converting into the M S K signal Sm, and the No. 111 Sm is an amplifier (
112).

Further, (162) indicates the reception detection time UK, which is connected to the demodulation circuit (126), and the frequency component of the output of the demodulation circuit (126) differs depending on the presence or absence of the signal Sd from the pace unit (21). The presence or absence of the signal Sd is detected using the signal Sd, and the detection signal sequence N S Q is supplied to the microcomputer (140).

Furthermore, (163) shows an M S K demodulation circuit, and this (163)
'1. (Summer Iil! In'1 on 11th circuit (12fi)
Then, the MSK message sent from unit (2)! , j, control signal from 5m fJ2
ml:J'Jru1)'s (, bsu, sonoi Hongin Zhoui 1.
No. 1 is supplied to My Ninon (140).

Artificial (164) in l- reduces the -I- ring tone forming circuit, which is controlled by the mini-1 (440) and produces a ring tone other signal (ring tone signal) when a telephone call is received.
), and the hell sound signal is sent to the amplifier (1
27).

Furthermore, the My JIN (140) or C input is supplied with the signal 011 specifying the CH\/NIL to the variable 11J circuit (1'13) and the local optical circuit (124>), and the FM signal S
Controls 14 units of i for sending out ++ (+'!+' No. T

Also, my two! The muting signal MLITIE is also supplied from the input terminal (140) to the amplifier (127).

Furthermore, at pace - "ノ, にノ l - (2+, (2
40) interrupts the control circuit. , - control L11 path (240
) is Handsafe 1-(], 1 control circuit (14(1
) and performs the same function, and the circuits corresponding to the circuits (14]) to (144) of the control circuit (140) are numbered 200 instead of the number 100. The explanation will be omitted by changing the sign of the number.

In addition, switches (253) to (255) and circuits (26
1) to (264) are also hunt cents [11 switches (1
53) to (155) and circuits (161) to (+64), and each signal is the same as t), so a description thereof will also be omitted. However, the forming circuit (264) forms a tone encoded signal TE corresponding to the telephone number used when calling the other party.

Therefore, the modulation circuit (16]) and the demodulation circuit (163) and the demodulation circuit! Raku (263) and modulation times I+'
δ(261>) are paired together and various control signals can be accessed between the hand cent (1) and the base unit (2).

Furthermore, (265) detects the bell sound signal B, which is connected to the telephone line (3) and detects the ring sound signal when there is an incoming call.
L is supplied to the microcomputer (240).

In addition, the line (3) is connected to a general push button type electric i! through a relay circuit (232). Connected to i'i Tsuki (4), relay circuit (232) and microcomputer (240)
A control signal line is provided between the two. Na No. A, (26
6) is a ringer and call river buzzer), and (256) is its "] type switch.

When making a call to the other party from the pan set (1), the microcomputers (140) and (240) perform the following operations according to the programs in the ROMs (142) and (242).

That is, when the talk switch (152) is set to the talk contact T, based on its output (H No. Su is transmitted, and then the identification code I11 is taken out from the switch (155), and the second l-dore (11) is sent to the substation 11a ++111 Raku (+61
> The MSK signal Sm is obtained by 'C amplifier (112)
supplied to Therefore, please identify +-) River Riga” MG
+-'+S L+ is transmitted to base unit (2)-1.

Then ζ, in the base unit (2), the reliability %J, S
.

When the signal So is received, the detection circuit (262) outputs the signal So.
Since the 1 detection signal NSQ is obtained, -Ni:1N (24
0) enters the checking state of the following identification code 1'' ID.Then, the signal Sm is taken out from the demodulation circuit (22(i)) and the signal Sm is taken out from the ζ detection circuit (2Fi3).
When F ID is taken out, this two r-l・I +)
Sui Nona (255) The feeding coat LD and the sinking power are checked,
If you do not have 11 points (other subscribers' Hunt Cents (1
), no further processing is performed, and no further processing is performed.
If the state is ``U change'' or 11-shi, other + 3-r
FM Shinzuki Sd from modulation time 1 Raku (213) by x
I was allowed to send out [I] and the father (1η chirennel) was established, and IB-no.
27) muting or 1 game 1! removed.

Also, at this time, by transmitting the signal Sd, the signal NSQ is taken out from the detection circuit (IEi2) in the hand sensor 1 (1), and the signal NSQ is output from the input signal (140
) is detected by the amplifier (12) by the signal MIITE.
7) Muting is canceled.

Next, press the key (151) to correspond to the other party's phone number and press the key (151) to get +1 +1>''. I A] Kui 8, Moon, Signal) I] 8 is formed and J (Ni, Bi σ key 1/Ill old) M S K I j) ν'yS
m, and similarly transmitted as ``Heas'' 1~Nino 1 (2)-1.

Then, in - to - no, 21-11 no I, (2), the i nail crystal) 1 d IEI circuit (263) has the Quiet Louis d]) S taken out, and the 1 and 2 i sound I) To S!
Formation circuit (by fortune-telling (-) (24 (1))
264) is controlled and corresponds to the other party's phone number G.
-on top':+-toygogo1''■・- is shaped into 1, 2 letters,!, j -r-rt passes through the amplifier (227),
In addition, no \ Isori Soto times 1 Raku (231) and January y-1
j! The telephone line (3) (1,2) is sent through the old fan (232). - As mentioned)] 1) The story becomes 1iJ Noh.

On the other hand, when the other person wants to talk to you...
The following actions are performed 11 times.

・1-Rope J:), 3-Yutou ~ is 1-One switch (15
2) is connected b'C to the Sukunhai contact S, but when the caller receives a call C, the Hello sound signal BL is taken out from the detection circuit 1 (2fi5) and supplied to the microcomputer (240). The modulation circuit (2
13) is allowed to send out the FM signal Sd, and then the identification code ID is converted into a signal Sm by the modulation circuit (261), and this signal Sm is supplied to the °1 amplifier (212), so that the identification code ID is The FM signal Sd is transmitted to the hand center (1).

When the signal Sd is received in the hand cent (1), the signal NSC is taken out from the detection circuit (162) and supplied to the microcomputer (140), and the microcomputer (140) receives the identification code ID. When the identification code ID is taken out from the demodulation circuit (163), it is checked whether this code ID matches the identification code 1" ID set in the switch (155), and if it is not , no further processing is performed and the standby state continues, but if it is necessary to stop, the signal TX changes the state to t.
tJIJIi! FM signal Su from III'8 ([3)
transmission is permitted and a communication channel is established, and a bell tone signal is formed in the formation circuit (164), and this G4 signal is supplied to the ζ speaker (128) through the amplifier (127) and a C bell tone is sounded. , you will be notified that there is an incoming call.Therefore, if you switch the switch (152) to the 1 - contact T, the speaker (12) will be turned on.
As soon as the bell from B) stopped ringing,
), (227) muting is (ri Q mu
T+: The illusion is canceled and the call becomes normal as described above.

Also, when you receive a call from the other party, switch (2)
56) is on, a bell sound is sounded from the speaker (12B) in the hunt seso) flll as described above, and a ringer (266) is also sounded in the pace unit (2).

When the handset is picked up from the telephone (4), the ringer (266) stops ringing, the transmission of the FM signal Sd is stopped by the signal TX, and the ringer (266) stops transmitting the FM signal Sd. The ringing stops. Thereafter, the pace unit (2) can make calls to outside lines using the handset of the telephone (4).

In this invention, in order to realize the ink cam passage d-1 of items 1 and 11, the ink cam passage d-1 is further configured as follows.

That is, non-lock type bush switches (153), (253) are connected to the ports (140), (240) as ink cam keys. Furthermore, the telephone (4) is connected to a detection circuit (
267) is connected, and this detection circuit (267) detects on-hook and off-hook of the handset of the telephone (4), and the detection signal is supplied to the My 21 (240).

In addition, the rules for Bozuflownaya-1 are shown in Figures 5 and 6.
Chin (300), (400) are My Two and Two (140).

(240).

In this case, the routine (300) is a hand sesor l-(11
This is used when making a call from.

That is, when the handset (11) switches the I/- contact point (152) to the 1/- contact T, the routine (300) starts from step (301).
Next, in step (302)
1) and the pace unit (2) are connected, and the unit on the base (2) is connected to the line (3). death),.

Continuing the C process, proceed to Step 3 (13) and hold the key of the handset (1).
When the key (153) is operated, the process proceeds from step (303) to step (304), and in this step (304)
ll is set to intercom mode, ``・1-, times 1/
8 (232> is controlled and the line (3) is opened, and when a call is received from an outside line, this can be detected by the detection circuit (265). ′f[1liilI
I machine (4) is connected to the high resolution circuit (231),
Furthermore, 1; Nga (266) is sounded.

So, I went to Heas Unisol f21, called J→ and
'3t (/11) If you turn off the handset,
At step (305), the ringer (2 (i ) can now be used to make an ink cam call between the head unit (2) and the handheld device (1ll).This routine (300) is then terminated in step (306).

In other words, in the hand center +11, if you switch the l/- switch (152) to the talk contact ' and then press the ink cam key (153), the pace unit (
2) You will be able to make ink cam calls as described in item i.

Further, when the dial key (151) is operated when the key holder is 4 in step (303), the process advances from step (303) to step (307), and in this step (307), step (303) ) is called (external line iu: t'f^), and when the other party answers, the telephone is connected to the external line.

Then, the process changes from step (307) to step (31).
Proceeding to step 1), the processes of steps (311) and (312) are repeated while the call to the outside line is delayed. That is, in step (311), the state of the 1--talk switch (1!i2) is checked and the state of the talk switch (1!i2) is checked, and the talk +8
It is at point 'F. Sometimes the process includes steps (312)
ni forward, j O) Sufu 7 zo (312) nioi'c
The ink cam key (153) is checked, the ink cam key (153) is pressed, and the process goes to step (3Jl). While it is being held, Suuichitsubu (3] 1).

The process of (312) is repeated.

Then, at this time, if the talk switch (152) is switched to the Sukun-hai contact S, the process proceeds to step (311).
) to step (313), and this step (31
In 3), the transmission of the hunt unit f21 is stopped, the transmission of the unit f21 is also stopped, and the outside line is turned off. It is placed on standby for calls to cents (]) or calls to outside lines, and step (
314) ends this routine (300). Therefore, in this case, the call with the outside line is ended.

In addition, during a call to an outside line, Zunawara, step (311)
), (312) are stored repeatedly, and when the ink cam key (153) is pressed, the process goes to step (3).
12) to step (315), the pace unit (2) °ζ relay circuit Rat (232) puts the outside line on hold, and the telephone (4)
) is connected to the hybrid throat circuit (231), and a ringer (266) is also sounded.

So, at Heas Uniso I-(2+), telephone (4
) and pick up the handset from step (316
At the same time, the ringer (266) rings and there is a pause. At this time, the telephone (4) is connected to the hybrid circuit (231), so from now on, the handset of the telephone (4) is used to call the unit. You can make ink cam calls between (2) and Nobuya/Dosesoto (1).

Zunawaji, hand seso L (In 11, even when talking to an outside line, if you press the ink cam key (+53), you can make an ink cam call with the Heath unit (2) around 1) .

Therefore, the process proceeds from step (316) to step (32).
Proceed to step 1), and while the ink cam call is in progress (:l,
Steps (32]) and (322) are repeated. Zunawa l), Step (321) Telephone (4
) is on-hook, but if it is not on-hook, the process proceeds to step (322). Contact T
, the process returns to step (32], ).

Therefore, during the ink cam call, step (321)
, (322) Kama, ·) The chest is returned.

Then, during this ink cam call, when the telephone (4) is on-hook, the process proceeds from step (321) to step (323), and the unit (2) smells ζ.
Relay circuit 1♂P, <232> releases the hold of the outside line, and the line (3) becomes a hybrid circuit (231).
connected to fjl', 1. ：ノ1＆、Han I-mun I-fl、）is an outside line and 111hi 111i ゛(
A > rl: '). Also, the process is performed in steps (
323), proceed to the slur, ·g (,324), and introduce this routine (300).

Further, when steps (321) and (322) are repeated, when the talk switch (152) is switched to the stand-high contact S, the process moves from step (322) to step (325), and this step (325) )
At the same time, relay 1r11 (232) cancels the security of the outside line, connects the telephone (4) to the line (3), and connects the channel to the pace unit (2) with the handset y l/flJ. It is considered off.

Therefore, from now on, the pace unit (2) can use the handset of the telephone (4) to make a call to an outside line. Also, the process starts from step (325) to step (
326) to end this routine (300).

Therefore, when making a call from Hunt Seso H1l,
By simply pressing the ink cam key (153), ink cam calls in items i and 11 can be made.

On the other hand, the routine (400) in FIG. 5 is used when the pace unit (2) makes a call.

That is, pace unit (2) smell ζ, telephone (4
), the process (400) is performed.
starts from step (401), then steps (
402), the relay circuit (232) connects the telephone (
4) is connected to line (3)G, a software timer TMR is started, and the process then proceeds to step (403), where step (403) and step (40i) are repeated. , If the "C intercom key (253)" is checked in step (403) and the intercom key (253) is not pressed, the process proceeds to step (404), where step (402) is executed. It is checked whether a predetermined period of time, for example, 5 seconds has elapsed since the timer TMR started and ζ. If 5 seconds have not elapsed, the process returns to step (403). Therefore C, step (40
For 5 seconds after 2) is executed, step (403)
, (404) are repeated, and during these 5 seconds, the manual power of the intercut key (253) is iiJ.

Then, if the ink cam key (253) is pressed within these 5 seconds (this is the case of the i term), the process proceeds from step (403) to step (405), and this step (,105) The line (3) is opened by the relay circuit (232), and when a call is received from an outside line, this can be detected by the detection circuit (265), and the relay circuit (232) opens the line (3) to the telephone (4). is connected to the hybrid circuit (2311), and furthermore, the speaker <1 in the handset (1) is connected to the hybrid circuit (2311).
28) makes a ringing sound.

Therefore, in the hand center (1), when the 1-kusisochi (152) is switched to the talk contact T, the ringing sound stops at step (406), and at this time, the telephone Il! +/1) hybrid circuit (231>
from now on, use the handset of the telephone (4) to call the pace unit (2) and the hunt set (11).
You will be able to make ink cam calls with. and,
This routine (400) is ended by step (407).

That is, when you make a call from the pace unit (2), if you pick up the handset from the telephone (4) and then press the ink cam key (253) within 5 seconds, the pace unit (2) and the hunt center (Between 11 and 11, the ink cam illusion Tla old of the i term is too long.

On the other hand, in Heath Z no 4 knit (2), electric, lll
Pick up the handset from the first machine (4) and press the dial key (at this time, the routine (400) starts from step (401)). By? (Li phone packing machine) is the line (3)
Since the dial key is connected to 1A'! The game will call an outside line, and you will be able to talk to that person from now on.

However, at this time, the operation of the dial key cannot detect ζ in the Heas Uniso I-t21 as described above. Also, at this time, step (403).

(404) is repeated, but the other party's It, l' call and the conversation with the other party are 11 times C/U IE, ° 4
- That is, it is normal for 5 seconds to pass before the ink cam key (253) is operated.

Therefore, while the other party is calling and talking with the other party, the process continues from step (404) to step (404).
Proceed to step 11).

Then, when proceeding to step (411), this step (
411) and step (412) are repeated. Zunawaji, in step (411) press the ink cam key (
253) is checked, and if the ink cam key (253) is not pressed, the process proceeds to step (412), and in this step (412) it is checked whether the handset of the telephone (4) is on-hook. ,
When not on-hook, the process proceeds to step (41).
Return to 1i. Therefore, while the base unit (2) is talking to an outside telephone, steps (411) and (41)
2) will be repeated.

During the call with this outside line, the ink cam key (253
), the process advances from step (4, 11) to step (413), and in this step (413), the relay circuit (232) puts the outside line on hold, and the telephone (4) is a hybrid circuit (2
At 31), a further call is made to the hand cent fil. And if hand cent (1) responds,
In step (414), the ringer tone of the handset (11) is turned off, and from now on, the handset of the telephone (4) is used to enable ink cam calls between the base unit (2) and the handset (1). become.

That is, in the pace unit (2) as well, if the ink cam key (253) is pressed during a call to an outside line, the ink cam port θi according to item 11 can be established between the pace unit (2) and the hand center (1).

Then, the process proceeds to step (415), and in this step (415) steps (321) to (326)
(If the telephone (4) goes on-hook, you will be able to make a call between the handset (1) and an outside telephone, or the handset (1)
If you put the unit into standby mode, you can use the base unit (
2) You can resume the call between the phone and the outside line.

Further, when the handset of the telephone (4) is on-hook during a call with the outside line 71j, that is, steps (411) and (412) are repeated, the process moves from step (412) to step ( 416), and in this step (416), processing such as turning off the external line is performed (-\- The unit (2) is connected to the next hand center fl) or i1 with the external line. This routine (400) is then put in a standby state for a conversation, and is terminated by the step knob (314).

Thus, according to the present invention, when an ink cam call is made between the hand cent (1) and the Heas Uniso l-+21, even if it is just a simple ink cam 1lrI call (in the case of item i), the call with the outside line is put on hold. Ink cam call (i
i When it's a bug), just use the ink cam key (153)
, (253) to make that ink cam call. Therefore, the operation is easy, and there is no possibility that the ink cam call cannot be made properly or that the outside line is accidentally disconnected.

Also, when you end an ink cam call, the phone is in its original telephone mode, so you can make the next call without any problems.

In addition, in the above, times 1e (161) to (163)
.

The operations (261) to (263) can also be realized by software.

Effects of the invention Cordless telephone smell ζ, -1, /','Koni・
Nodo uses a push-button telephone, and has a handset, 1. If you make an inkcam call between the
Temporarily hold a call to an outside line (ink power) - Even if there is a call, you can make an ink cam call or two by pressing one ink cam key once or twice.

[Brief explanation of the drawing]

Figures 1, 2, 5, and 5 show the present invention in 11 die
For clarity, Figure 1, Figure 3, and Figure 3 are system diagrams of an example of the present invention. (11 is the hand seso 1-8 (2) is the base 21-2-1-1 (110). (210) is the transmitting circuit, (120), (220) is the receiving circuit, (140), (24 (+ ) is myminon C
J) Ru.

Claims (1)

[Scope of Claims] The invention comprises a handset and a head unit connected to a telephone line, and communication between the hand head unit 1 and the head unit is carried out by radio waves, ” - Push-button power, single layer connection to the head unit. In this cordless telephone, the above-mentioned Heath unit side can make calls with an outside line telephone, and ink-cam calls can be made with the above-mentioned handset. In addition to establishing 1-1ic! A detection circuit is provided to detect off-hook of the handset of the telephone, and when the intercom key shown in - is pressed within a predetermined period after the handset of the telephone is taken off-hook, the L distribution jammer is connected to the above-mentioned hook. Connect to the above hand center through the unit.
Ink cam between your hand cent and i! 'Q story 1J
J and U7, when the ink cam key is pressed after the predetermined period has elapsed since the handset of the telephone was off-hook, and -1, subtype i!i'i tha1, [
To the record) Ji l, through the knit to the hunt seso l - & Z
TG advance sale (a cordless telephone that allows intercommunication and calls between the handset and the I+J function.