1. A driving device for an image display device, the driving device comprising:
an operational amplifier including a non-inversion input terminal, an inversion input terminal and an output terminal, the operational amplifier being configured to operate as a voltage follower;
a capacitor having a first electrode and a second electrode, the first electrode being connected to the non-inversion input terminal of the operational amplifier, the capacitor being configured to accumulate charges corresponding to an offset voltage generated in the operational amplifier;
an input terminal to which an image signal is input,
a first switch configured to switch a connection between the input terminal and the non-inversion input terminal of the operational amplifier between a connected state and a non-connected state,
a second switch configured to switch a connection between a load and the output terminal of the operational amplifier between a connected state and a non-connected state, the load being associated with a pixel of the image display device to which a voltage based on the image signal is to be applied,
a third switch configured to switch a connection between the second electrode of the capacitor and the inversion input terminal of the operational amplifier between a connected state and a non-connected state,
a fourth switch configured to switch a connection between the second electrode of the capacitor and the input terminal between a connected state and a non-connected state; and
a timing controller for controlling the first switch, the second switch, the third switch, and the fourth switch, the timing controller configured to connect the load to the output terminal of the operational amplifier when the image signal is input to the operational amplifier, and, when the charges corresponding to the offset voltage have been accumulated in the capacitor, to connect the image signal to the operational amplifier together with the charges accumulated in the capacitor while the load and the output terminal of the operational amplifier remain connected;
wherein the timing controller is controls the first switch, the second switch, the third switch, and the fourth switch such that when the image signal is input to the operational amplifier, the input terminal and the non-inversion input terminal are put into the connected state, the load and the output terminal are put into the connected state, the second electrode of the capacitor and the inversion input terminal are put into the connected state, and the second electrode of the capacitor and the input terminal are put into the non-connected state, so that the image signal is input to the operational amplifier, and
such that when the charges corresponding to the offset voltage have been accumulated in the capacitor, the input terminal and the non-inversion input terminal are put into the non-connected state, the load and the output terminal are maintained in the connected state, the second electrode of the capacitor and the inversion input terminal are put into the non-connected state, and the second electrode of the capacitor and the input terminal are put into the connected state, so that the image signal is input to the operational amplifier together with the charges accumulated in the capacitor.
2. The driving device of claim 1, further comprising a power supply for applying a predetermined voltage to the load before the load and the output terminal of the operational amplifier are connected to each other,
wherein the timing controller is configured to control the power supply such that application of the predetermined voltage to the load is stopped when the load and the output terminal of the operational amplifier have been connected to each other.
3. The driving device of claim 2, wherein the power supply includes a switch, and wherein the timing controller is operative to control the switch such that application of the predetermined voltage to the load is stopped when the load and the output terminal of the operational amplifier have been connected to each other.
4. A driving device for an image display device, the driving device being controlled in accordance with an address period and a non-address period, the address period including a sampling period and an outputting period, the driving device comprising:
an operational amplifier having a non-inversion input terminal, an inversion input terminal, and an amplifier output terminal connected to the inversion input terminal;
a capacitor having a first electrode and a second electrode, the first electrode being connected to the non-inversion input terminal of the operational amplifier, the capacitor being configured to accumulate charges corresponding to an offset voltage generated in the operational amplifier;
an input terminal to which an image signal is input,
a first switch configured to switch a connection between the input terminal and the non-inversion input terminal between a connected state and a non-connected state,
a second switch configured to switch a connection between a load and the amplifier output terminal between a connected state and a non-connected state, the load being associated with a pixel of the image display device to which a voltage based on the image signal is to be applied;
a third switch configured to switch a connection between a second electrode of the capacitor and the inversion input terminal of the operational amplifier between a connected state and a non-connected state,
a fourth switch configured to switch a connection between the second electrode of the capacitor and the input terminal between a connected state and a non-connected state; and
a timing controller for controlling the first switch, the third switch, and the fourth switch such that in the sampling period when the image signal is input to the operational amplifier, the input terminal and the non-inversion input terminal are put into the connected state, the second electrode of the capacitor and the inversion input terminal are put into the connected state, and the second electrode of the capacitor and the input terminal are put into the non-connected state, so that the image signal is input to the operational amplifier, and for controlling the first switch, the third switch, and the fourth switch such that in the outputting period for outputting the image signal when the charges corresponding to the offset voltage have been accumulated in the capacitor, the input terminal and the non-inversion input terminal are put into the non-connected state, the second electrode of the capacitor and the inversion input terminal are put into the non-connected state, and the second electrode of the capacitor and the input terminal are put into the connected state, so that the image signal is input t6 the operational amplifier together with the charges accumulated in the capacitor, and controlling the second switch such that the load and the amplifier output terminal are put into the connected state in the address period, and the load and the amplifier output terminal are put into the non-connected state in the non-address period.
5. A method of driving an image display device comprising:
connecting a first electrode of a capacitor to a non-inversion input terminal of an operational amplifier to accumulate charges in the capacitor corresponding to an offset voltage generated in the operational amplifier, the operational amplifier being configured to operate as a voltage follower;
inputting an image signal to an input terminal;
switching a connection between the input terminal and the non-inversion input terminal between a connected state and a non-connected state using a first switch,
switching a connection between a load and an output terminal of the operational amplifier between a connected state and a non-connected state using a second switch, the load being associated with a pixel of the image display device to which a voltage based on the image signal is to be applied,
switching a connection between a second electrode of the capacitor and an inversion input terminal of the operational amplifier between a connected state and a non-connected state using a third switch,
switching a connection between the second electrode of the capacitor and the input terminal between a connected state and a non-connected state using a fourth switch; and
controlling the first switch, the second switch, the third switch, and the fourth switch using a timing controller such that when the image signal is input to the operational amplifier, the input terminal and the non-inversion input terminal are put into the connected state, the load and the output terminal of the operational amplifier are put into the connected state, the second electrode of the capacitor and the inversion input terminal are put into the connected state, and the second electrode of the capacitor and the input terminal are put into the non-connected state, so that the image signal is input to the operational amplifier, and such that when the changes corresponding to the offset voltage have been accumulated in the capacitor, the input terminal and the non-inversion input terminal are put into the non-connected state, the load and the output terminal are maintained in the connected state, the second electrode of the capacitor and the inversion input terminal are put into the non-connected state, and the second electrode of the capacitor and the input terminal are put into the connected state, so that the image signal is input to the operational amplifier together with the charges accumulated in the capacitor.
6. A driving device for an image display device, the driving device comprising:
an operational amplifier including a non-inversion input terminal, an inversion input terminal and an output terminal, the operational amplifier being configured to operate as a voltage follower;
a capacitor having a first electrode and a second electrode, the first electrode being connected to the non-inversion input terminal of the operational amplifier, the capacitor being configured to accumulate charges corresponding to an offset voltage generated in the operational amplifier;
an input terminal to which an image signal is input;
a first switch configured to switch a connection between the input terminal and the non-inversion input terminal of the operational amplifier between a connected state and a non-connected state;
a second switch configured to switch a connection between a load and the output terminal of the operational amplifier between a connected state and a non-connected state, the load being associated with a pixel of the image display device to which a voltage based on an image signal is to be applied;
a third switch configured to switch a connection between the second electrode of the capacitor and the inversion input terminal of the operational amplifier between a connected state and a non-connected state;
a fourth switch configured to switch a connection between the second electrode of the capacitor and the input terminal between a connected state and a non-connected state; and
a control means configured to connect the load and an output terminal of the operational amplifier when the image signal is input to the operational amplifier, and, when the charges corresponding to the offset voltage have been accumulated in the capacitor, inputting the image signal to the operational amplifier together with the charges accumulated in the capacitor while the load and the output terminal of the operational amplifier remain connected;
wherein the control means is operative to control the first switch, the second switch, the third switch, and the fourth switch such that when the image signal is input to the operational amplifier, the input terminal and the non-inversion input terminal are put into the connected state, the load and the output terminal are put into the connected state, the second electrode of the capacitor and the inversion input terminal are put into the connected state, and the second electrode of the capacitor and the input terminal are put into the non-connected state, so that the image signal is input to the operational amplifier, and is operative to control the first switch, the second switch, the third switch, and the fourth switch such that when the charges corresponding to the offset voltage have been accumulated in the capacitor, the input terminal and the non-inversion input terminal are put into the non-connected state, the load and the output terminal are maintained in the connected state, the second electrode of the capacitor and the inversion input terminal are put into the non-connected state, and the second electrode of the capacitor and the input terminal are put into the connected state, so that the image signal is input to the operational amplifier together with the charges accumulated in the capacitor.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. Method for receiving ordered products andor making products available for pickup without personal transfer to or by the user of the product using a receptionprovision apparatus with a lockable container for the products, with at least one input means arranged optionally on or in the container for inputting deliverypickup information from or to the return agent or delivery person, with a controller arranged on or in the container with a memory element for checking the deliverypickup information input by the delivery person or return agent against order information stored in the memory element, by means of which the container is opened if the deliverypickup information agrees in a predetermined manner with the order information, wherein, after a completed ordering process, agreed-upon order information (9) for readying receptionprovision apparatus (1) is input into memory element (8) of receptionprovision apparatus (1) and, for the expected delivery or pickup of product (11), the transportable memory element or a transportable part of the control unit is inserted into the receptionprovision apparatus positioned in front of the user’s residence or place of business or the positionable receptionprovision apparatus or the part of control unit present there.
2. Method according to claim 1, wherein, after a completed delivery or pickup of product (11) by the delivery person or the return agent, delivered product (11) and receptionprovision apparatus (1) or a transportable part of the control unit containing the memory element or the transportable memory element is taken into the user’s residence or place of business.
3. Method according to claim 1, wherein the ordering process is accomplished by the user by means of data communications via an external central fulfillment computer which, for the order fulfillment, generates an identcode or securely complementary identcodes for all participants involved in the order fulfillment and communicates itthem to these participants and in that the user inputs the identcode to the memory element of the receptionprovision apparatus.
4. Method according to claim 3, wherein the loading of the memory element used on or in the container is accomplished by the user by means of a short-range, particularly a noncontact, data transmission means such as a Bluetooth or IR interface of a mobile telephone or a notebook computer.
5. Method according to claim 3, wherein the loading of the memory element used on or in the container with the order information is accomplished by the user by means of a data coupler that modulates the order information onto a power supply network to which the user’s data communications unit and receptionprovision apparatus are connected.
6. Method according to claim 2, wherein the ordering process is accomplished by the user by means of data communications via an external central fulfillment computer which, for the order fulfillment, generates an identcode or securely complementary identcodes for all participants involved in the order fulfillment and communicates itthem to these participants and in that the user inputs the identcode to the memory element of the receptionprovision apparatus.