DE7212902U - Radio receiver with built-in timer - Google Patents

Description

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SABA Scnwarzwälder Apparate-Bau-Anstält March 29, 1972 August Schwer Söhne GmbH
7 73 ViHingen / Black Forest

GA 26o

Use smus ter-Aiune ldung

Designation: radio receiver with built-in time clock

The innovation relates to a radio receiver with a built-in timer for automatic switching on and off. Switching off the device, whereby the switch-on time and the switch-on duration can be preset. Such Radios serve as an alarm clock in which the device is used to automatically switched on at the selected time. In addition, these devices have a switch that controls the Makes it possible for the device to be switched off again automatically after the preset time.

Recently, a digital time display has become more and more preferred over an analog time display. Initially, this display was done by means of mechanically controlled leaf numbers. The mechanics, however, did not allow the exact setting of the switching times, these were only reproducible with a tolerance of 10 minutes. That is why the electronic time display was chosen by using numeric display tubes which are controlled by decadators and decoders. This makes it possible for a preset point in time to be precisely recorded and for the desired school function to be carried out if there is ^{a coincidence of the set 1-Sull time and the actual time that has elapsed.}

GA 26ο - 2 -

The commercially available preselection switches are now designed in such a way that their switching contact level can only be installed perpendicular to the circuit board of the device. This has the disadvantage that the switch display and the clock display are on different levels. However, there is a desire for both displays to be on the same level so that they can be read at a glance, so to speak. If the previously common preselection switches were to be installed in the desired manner, the special construction would not permit immersion soldering, which is now out of the question in terms of manufacturing technology.

The task of the innovation is to eliminate these disadvantages and also has the advantage that the construction of the device can be further reduced, with the Switches are incorporated into the printed circuit board and, in terms of manufacturing, are dip-soldered with this can be connected.

The innovation is characterized by the fact that the preselection switch and the pressure circuit board of the device form a unit and the numbered Shiitreans are mounted coaxially to the number indicator tubes.

The essence of the innovation will then be explained using an exemplary embodiment.

Figure 1 shows the arrangement as it is characterized in the claim.

Figure 2 shows a detail of Figure 1 in front view and

FIG. 3 shows the view of a radio receiver with a digital clock with the assignment according to the innovation

72-Ϊ2902-6.7.72

GA 26ο - 3 -

Numbers display tubes and selector switches.

On a platinum? 1 i ^ t- in pedruckter Scha 1 tunpstechnik the entire circuit structure of radio receiver and digital clock housed. Between this board 1, on which the contact tracks of the preselection switches are also located, and an angle piece 2, which extends along one edge of the board 1, the switching wheels 3 of the preselection switches are mounted. These ratchet wheels 3 are connected to a collar 4 on which there are digits corresponding to the switch position.

The number display tubes are coaxial with the ratchet wheels 3 5 arranged. With 6 the sliding contacts on the shift wheels 3 are referred to, which with the on the Board 1 printed contact tracks work together.

To illustrate a radio receiver with a digital clock, the registered arrangement is shown in FIG a section of such a device is shown. The number indicator tubes 5 are visible through cutouts in the housing 7 of the radio receiver. Below are the setting wheels 3 with the display of the set switch positions arranged above them. In addition to aen Cutouts for the ratchet wheels 3 is another cutout with a ratchet wheel 8, with which the duty cycle can be preset within limits. In the upper housing wall is still the switch 9 for Switching off the alarm clock and a switch 1o to prepare for the automatic switch-off after the time preselected by setting wheel 8.

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Claims (1)

Claim to protection Radio receiver with built-in timer for automatically switching the device on and off, whereby the switch-on time and the Duty cycle can be set via the preselector switch with digital display and the display the Ceit takes place via numerical display tubes, thereby marked that the preselection switch is a unit with the pressure circuit board of the device and the indexing wheels provided with numbers are mounted coaxially to the number display tubes are.