DE1516519C3 - - Google Patents

Description

3 4

a transistor amplifier in a contactless way F i g. 9 is a circuit diagram of an embodiment

is driven (U.S. Patent 3,027,554). It of the invention for generating individual signals un-

In both cases it is not a question of signaling equipment using an astable multivibrator,

functions for alarm clocks, but rather in a very general way.

my signaling devices without any limitation of the 5 example of the invention for generating

Signaling time. Individual signals in a clock with a contact

The invention is based on the object of a loose way, self-controlled aisle folder oscillator, electrical signaling device for alarm clocks to Fig. 11, 12, 15 circuit diagrams of implementation, which makes it possible to use the signaling time of the invention for generating pre- and limits in order to avoid unnecessary energy consumption for io main signals,

avoid. The device should be able to be produced with little effort. This is achieved according to the invention, the signaling device according to the invention, to measure, in that a monostable multivibrator,
device is provided, in whose input circuit the switching device operated by 15 Fig. 14 is a circuit diagram of an exemplary embodiment of the clockwork, with which the invention for the generation of individual signals un interfere with built-up multivibrators.
Is stronger element switchable. It is preferred in FIG. 1, T denotes a transistor which is operated as a switching device on the electrical output in emitter circuit. L is a mechanical switch influencing ringing and delay elements, which is controlled by the transistor T. K ₁ clock is provided

A condenser capacitor C can be connected as an electrical energy store. In the idle state there is a sator and a switching device via the contact K _1, the voltage of the feeder pulse, which connects the capacitor in the idle source to the capacitor C. At the set state with the electrical voltage source, the contact K _{1 is} through the clock detects and for signaling in the input circuit of the Verwerk, z. B. by an alarm clock, turned over, stronger circuit switches. This amplifier circuit whereby the charged capacitor C can be connected to the multi-stage, preferably two-stage, embodied emitter-base path of the transistor T. It is also possible for a toggle switch 30 to be used. As a result, the transistor T is to be provided in a controlled manner. and the bell L is switched on. The condensate

In order to switch off or to switch off the Si- tor C in advance, an arbitrarily actuatable stors T can be slowly discharged via the base-emitter path of the transignal device. After falling below a switching device, which is activated by a certain voltage value of the Trandie from the clockwork, the switching device is blocked again and makes the bell L ineffective amplifier circuit. switches.

This switching device can short-circuit the input K ₂ is a manually operable switching circuit of the amplifier circuit, with the aid of which the signaling device can be put out of action or in connection with the supply voltage. Instead of contact K., contain voltage source interrupting contact. 40 or in addition to this contact can also be a

The signaling device according to the invention has contact in the supply line to the supply voltage source

can be produced with little effort. It can be provided with a low, through which the signal input

igen voltage, preferably from a primary element, can be put out of operation,

ment to be fed. In this case, if the Ar- F i g. 2 shows an in the mode of operation of the switching

in some cases an excessive load on the feeding device according to FIG. 1 corresponding circuit in which

Battery avoided. The dimensions of the invention- only the transistor T in a collector circuit is

signaling device according to the invention are comparatively driven.

small and it is only a small one for the control, Fig. 3 shows a two-stage amplifier circuit

The force to be applied by the clockwork is required. from the transistors T ₁ and T ₂ . In the entrance circle

The device according to the invention can be 50 of the first transistor T ₁ to increase the input

give different warning signals. input resistance a resistor R is provided,

The invention is described below on the basis of the reduction in the discharge time of the capacitor C

Drawing of several exemplary embodiments is closer to size. In the starting circle of the second transit

explained. In the drawing show stors T., the bell L is provided. Like the

1 and 2 circuit diagrams of a circuit according to the invention according to FIGS. 1 and 2, the signaling device of a simple design with control of the transistor T ₁ with the aid of the contact K ₁ actuated by the unclean transistor in the emitter circuit (FIG. 1) or factory-operated . In the case of the circuit in a collector circuit (FIG. 2), FIG. 3 is the transistor T ₁ in the collector circuit

3 and 4 are circuit diagrams of further embodiments and the transistor T _{2 operated} in emitter circuit, form the signaling device according to the invention with 60. The circuit according to FIG. 4 differs from 2-stage transistor amplifier circuits, the one according to FIG. 3 in that the first stage in the collector circuit and the second interfering T ₁ an npn transistor and for the transistor T ₂ stage in the emitter circuit (Fig. 3) or both stages a pnp transistor is used, both Tranin emitter circuit (FIG. 4) are implemented, sistors are operated in emitter circuit.

F i g. 5 to 8 circuit diagrams of various types 65 It is of course also possible for the circuit

Ruhgsbeispiele the signal device according to the invention according to Figure 4 for the transistor T, a pnp transi-

using a monostable multivisturizer, in which case the supply voltage

The polarity has to be reversed.

In all the circuits described above, the stors T ₄ becomes negative, the multivibrator tips over into the

Idle state the transistors are blocked, which returns to the stable state, since because of the small negative

individual figures represented by the letter G base voltage at T ₄ again power over the

will provide. By switching the capacitor resistor R ₃ flows and the transistor T., via the

tors C the transistors are controlled. This has 5 feedback paths (collector T ₄ - base T ₃ )

the advantage that only a very small one is blocked in the idle state. ■ '

Reverse current flows and thus the efficiency of the further rotation of the alarm wheel is

Circuit is cheaper than with a circuit with the alarm setting pin back from the alarm book

which brought out the transistors in the idle state controlled, whereby the switch K ₁ again in

are. ίο brought back its position of rest and thus the con-

In the 2-stage circuit according to FIG. 3, capacitor C is charged again. The switching and 4 the first transistor are switched so that it is in the device then again for a new signaling to the idle state is conductive, so this requires the idle availability. It is particularly suitable for a factory that uses more electricity. On the other hand, it has a 24-hour dial. The shutdown has the advantage that the capacitor can be discharged via 15 using a manual switch or the blocked transistor. In this pressure contact K., which is the base-emitter case, the base-emitter path is short-circuited significantly higher than the transistor T ₃ , so that it is more ohmic, so that a longer discharge time or is blocked in this case. This contact corresponds to the same discharge time. In the case of battery clocks, however, 20 He can put particular emphasis on low power consumption, for example by means of a shut-off button, so that the contact K. is preferred, so that for this purpose circuits with transistors that are closed in the idle state and thus the circuit is always locked will. remains.

In the circuits described above, the FIG. 6 corresponds to the circuit shown in FIG

the resistance of the transistor with increasing 25 is essentially the circuit of Fig.5. It will Ie-

Discharge of the capacitor C, ie with decreasing transistor T _B in the collector circuit

the level, too, so that the volume of the instincts. Of course, for the switching

gnals decreases. The following exemplary embodiments according to FIGS. 5 and 6 also npn transistors

show signaling devices to be used using.

Flip-flops, in which the volume of the Si 30 In the circuit according to FIG.

signal generator remains constant. Solution of the bell L an npn transistor T ₇ in

In the circuit according to FIG. 5 a multivibra emitter circuit is used. The rest of the circuit

gate is provided, which by a trigger pulse corresponds to that according to FIG. 5 and 6.

by switching a capacitor from its it can in the circuit according to FIG. 7 also the

stable switching state in an unstable switching condition 35 transistor T ₁ an npn transistor, the transistor T "

stand is brought, from which he after expiration an npn transistor and the transistor Τ _Λ a pnp-

be automatically in the transistor again after a certain period of time, in which case the voltage

the stable switching state tilts back. source and the connections 1,2 are reversed

The circuit shown in Fig. 5 is exclusive.

borrowed from pnp transistors built. The effect 40 The in F i g. 8 corresponds to the circuit shown in FIG

way of the circuit is as follows: essential of the circuit according to FIG. 7. It is

In the idle state, the switch K _{1 is} in common with the transistor T ₈ in the collector circuit

the position shown in the figure. The transit operated. With this circuit, too, the following

storen T ₃ and T ₅ are blocked, while transient transistors are used: T ₃ and T ₄ -

disturbing T _{4 is} open or permeable, which is due to the 45 npn transistors, T ₃ - pnp transistor. Also in this-

Letters (open) and D (permeable) in this case, the voltage source and the

is tet. The polarity of the transistors T ₃ and D (permeable) is reversed.

indicates is. The transistors T ₃ and T ₄ form a F i g. 9 shows a circuit for generating

monostable multivibrator. Single signals. The transistors T ₁₀ and T ₁₁ are

When the alarm clock (not shown) comes in, it is switched to an astable multivibrator here. The pin in the alarm socket is switched to the switch K _{1 to} feed this astable multivibrator and the capacitor C is connected to the base supply of the bell L or the transistor T _{ti of} the transistor T ₃ , which takes place through the Transistor T ₉ , which is brought about by the conductive state. This will control the ter K,. In the idle state, the trans-capacitor C is reloaded and a current 55 flows disturbance T ₉ blocked, so that the downstream astable via the base-emitter path of the transistor T ₃ , the multivibrator and the transistor T _{14 are} de-energized, thereby in the conductive State is brought. When the capacitor C is connected to the base, a current flows through the resistor R ₁ , and the transistor T ₉ becomes the collector emitter, the collector path of the transistor T _{9 occurring at the resistor A 1} during the discharge time voltage across the capacitor C ₁ to the base of the 60 of the capacitor C conductive, so that the transistor T ₄ - transmitted. It is thereby the transistors T ₁₀ and T _n , the .Kondensatoren C ₂ and transistor T ₄ blocked, whereby the voltage drop C ₃ and the resistors A ₄ , R _s , R _a and R ₁ bestean the resistor R _{a is} very small and negative going astable multivibrator starts to work and potential is applied to the base of transistor T ₃ , the transistor T ₁₂ feeding the bell L control so that it is kept in the conductive state. 65 ert, whereby the capacitor C ₁ . Weid over the resistor R ₂ capacitor C a certain period of time the ringing is reloaded. Shortly after the zero crossing of the chip work L corresponding to the frequency of the astable voltage on the capacitor C ₁ , when the base of the transi-multivibrator is actuated periodically.

7 8

In the circuit according to FIG. 10, the transistor T ₁₅ feeding the Lau- den drive coil S ₂ as well as the capacitor Cn tewerk L is also fed via a transistor between the collector and the base of the drive circuit, which in turn is fed by the clockwork's gear folder oscillator. Ent- 'the contact K ₁ actuated by the clockwork is controlled according to the oscillation period of the oscillator. The control of the transistor T ₁₅ takes place via 5 steps on the collector of the transistor T.,. _f Voltage the drive circuit for the gear folder oscillator pulses on which the base of the transistor T ₂₅ zudes clockwork. This circuit includes a tran- This transistor T ₂₅ is fed via the sistor T ₁₃ , one in the input _{circuit of this transistor T 24} and via the resistor R von lying control coil S ₁ and one in the output circuit of a current source. The collector of the transistor transistor lying drive coil S ₂ and an io stors T ₂₅ is connected to the base of the bells L spei collector and base of the transistor T ₁₃ connecting send transistor T. _n . In the circuit of the capacitor Cn. The aisle folder Läutewerkes L, not shown, is also the transistor T _2. ,, which carries a permanent magnet, which is controlled in the control by the switch K _1,
coil S ₁ induces a voltage which in the drive The mode of operation of this circuit corresponds in coil S ₂ causes a current flow, which in turn affects 15 essentially that of FIG Multivibrator issued a drive pulse. The voltage that occurs periodically through the drive circuit T ₂₃ , S ₁ , S ₂ , Cn and T ₂₅ transistor T _{13 is replaced.} In this circuit, too, up to the control of _{the transistor T 15} , so that during the discharge of the capacitor C individual signals and the discharge time of the capacitor C, the transistor T ₁₅ 20 is then periodically opened and blocked until the capacitor C is discharged, so that a Continuous signal generated.
Bell L sounds periodically. 13 shows one with complementary transistors

11 shows a circuit for generating a built-up monostable multivibrator from the Tran pre-signals and the subsequent main signal. The transistors T ₂₃ , T ₂₄ , the resistors A ₁₂ , R ₁₃ , R _14, transistors T ₁₉ , T, _u with the capacitors C ₄ , C ₅ 35 and R ₁₅ and the capacitor C ₇ . T ₂₅ is the transistor that feeds that and the resistors R ₈ , R ₉ , R ₁₀ and A ₁₁ form bell ring L. The advantage of this is an astable multivibrator which is fed _{via the transistors T 16} and T _{18 connected in series with respect to the circuits.} 5 to 8 can be seen in the fact that all is transi. The transistor T ₁₇ feeding the ringing mechanism L interferes in the idle state, whereby the efficiency of the circuit is significantly improved and T _{18 is} connected _{to the connection between the transistors T 10 30.} will.

In the idle state, the transistors T ₁₀ and T _{18 are.} The circuit of FIG. 14 is with the circuit

locked, so that the astable multivibrator and according to FIG. 9 comparable. Here, too, is an astable

Transistor T _{17 are} de-energized. Upon actuation of the toggle switch provided from the transistors

Switch K ₁ is the capacitor C with the base 35 T ₂₇ , T ₂₈ , the resistors A ₁₆ , A ₁₇ , R _1n , R ₁₉ and

of the transistor T ₁₆ and the capacitor C with the R ₂₀ and the capacitor C ₈ consists. T ₂₉ is the

Base of transistor T ₁₈ connected. Thereby the bell L becomes the feeding transistor. These too

the transistor T ₁₇ and the astable multivibrator trigger circuit is made up of complementary transistors

Voltage supplied so that the latter built to work. The efficiency of this circuit is good,

starts. The transistor T ₁₇ thus receives a sequence 40 since both transistors of the astable multivibrator

of control pulses are blocked according to the time constants during the pulse pauses,

of the astable multivibrator until the capacitor C FIG. 15 shows one of FIG. 11 corresponding

discharged and thus the transistor T _{18 is} blocked. Circuit in which the astable trigger circuit is off

The transistor T ₁₇ is then continuously controlled, the transistors T ₃₀ , T ₃₁ , the resistors R ₂₁ ,

so that the ringing L is no longer periodic, but 45 R _2i , R ₂₃ , R ₂₄ and A ₂₅ as well as the capacitor C ₉

which sounds continuously until the capacitor C has also been built up. This toggle switch is made via the in

is loading and the transistor T _{16 is} blocked. Series-connected transistors T ₂₇ and T _{29 are} fed.

In the circuit shown in FIG. 12, T ₂₈ is the transistor feeding the bell L,

the transistor T ₂₃ with the lying in the input circuit- The mode of operation is the same as that of the

the control coil S ₁ and the circuit according to FIG. 11 located in the output circuit.

For this purpose 2 sheets of drawings

Claims (10)

1 2 patent claims "· Signaling device according to one of claims 5, 6, 7, 9, characterized in that 1. Electrical signaling device for alarm clock - the toggle switch using Komren, preferably battery alarm clocks, built with a complementary transistor. from the clockwork actuated switching device and 5 12. Signaling device according to one or more with electrical time delay elements for siren of the preceding claims, characterized ge, gnalzeitbegrenzung, characterized in that for stopping or signing that a signal on the output side. provide the signaling device with an electronic amplifier switchable switching device (K.,) that feeds arbitrarily, the device is provided, in whose input circuit the io which is the switching device operated by the clockwork operated by the clockwork is located. Switching device (K ₁ ) influenced amplifiers with the help of which an electrical energy storage circuit renders ineffective,
between a voltage source and the input 13. Signaling device according to claim 12, switchable dagangskreis of the amplifier element, characterized in that the switching device is. 15 is the input circuit of the amplifier circuit 2. Signaling device according to claim 1, characterized by short-circuiting contact (K.,) contains,
characterized in that as a switching device the 14th signaling device according to claim 12, daelectric delay elements influencing characterized in that the amplifier shell mechanical contact is provided. the connection with the supply voltage 3. Signaling device according to claims 1 20 voltage source contains interrupting contact,
and 2, characterized in that as electrical '15. signaling device according to claim 1 or shear energy storage is a capacitor and as one of the following, characterized in that a switching device provided that the time constant of the time delay is that the capacitor in the idle state with the is changeable. the electrical voltage source connects and 15 for signaling into the input circuit of the Stronger circuit switches. 4. Signaling device according to claim 1, characterized characterized in that the amplifier circuit The invention relates to a multi-stage electrical signal, preferably two-stage designed 30 direction for alarm clocks, preferably battery. Alarm clocks, with one operated by the clockwork 5. Signaling device according to claim 4, characterized in that switching device and with electrical time delay, that the second amplifier stage guiding elements to limit the signal time. is designed as a toggle switch. There are timer operated electrical safety 6. Signaling device according to claim 5, characterized in that 35 signaling devices are known, in which measures are characterized in that the flip-flop are taken as mono in order to limit the signaling time,
stable multivibrator is built, which is used for this purpose with the help of z. B. by the time of the switching device and the electrical transmitter actuated contact devices, which temporarily switch on the delay elements in the unstable signal generator circuit at the set time (Figs. 5 to 8). 40 and switch off again after a certain time. There 7. Signaling device according to claims 1, these contact devices of one in 12 hours. And 5, characterized in that a stable multivibrator can be provided as a Ver or 24 hours fed 45 via an electronic switching device controlled by the switching device generally only after a relatively long time (1 to IVi hours). Using special contact before is (Fig. 9). direction can at most a reopening of the 8. Signaling device according to claim 1, characterized in that contact allows within a few minutes that a clock with one. contactlessly via an amplifier (T ₁₃₎ selbstge- are also electrical signal devices under controlled oscillator to the signal transmitter (L) storage 50 using relays are known in which transmission to the Si amplifier circuit (T ₁₅₎ via an electrical of gnalzeitbegrenzung time delay elements switching device ( K ₁ ) controlled transistor of the, such. B. NTC resistors, KC elements, etc., (T ₁₄ ) are fed and used by the output of the amplifier . These known devices (T _1. ,) Is controlled (Fig. 10). in most cases, however, are only 9. Signaling device according to claim 7, characterized in that 55 moderately large supply voltages (mains voltage) , that the astable multivibrator can be used. The use of a relay energized by a con via two of the switching device (K ₁ ) controlled capacitor charge is also practically only the first series-connected transistors (T ₁₀ , T ₁₈ ) for higher voltages, since it is fed at low voltages and that the Signal amplifier (T ₁₇ ) Voltages, for example 1.5 volts, a capacitor with very large capacitance and high manufacturing costs connected to the connection between the two transi 60 (T ₁₁₁ , T ₁₈ ) is connected (Fig. 11). is required. 10. Signaling device according to claim 8, characterized in that it is also a signaling device for remote control that is known for the control of the Si- speech apparatus (USA.-Patent signal generator (L) feeding amplifier circuit 2 968 032), in which with the help of a switch (T ₂₁ ) a transistor (T ₂₄ ) controlled in series or in parallel via a further transistor (T 24) controlled by the switching circuit 65 a capacitor to the excitation winding of the device (K ₁ ), in order to be provided after the intermediate _{amplifier (T 25} ) is desired quiet or loud signaling (Fig. 12). pass. Furthermore, a bell is known that over