Canon Kabushiki Kaisha

Hirokazu Ohi

Yasutomo Suzuki

Tadashi Yamakawa

Yasuhiro Okuno

Mamoru Sato

Michihiro Izumi

Yasuhiro Yokota

Shigeru Nishikawa

Masatomo Ohuchi

Makoto Minari

Jun Nozaki

An end user is provided with an environment to easily remote-control a video camera via a general network such as the Internet. For this purpose, on a client side, the content of camera control is described in file-transfer protocol description, and the description is transferred to a camera server on the Internet via a browser. The camera server interprets the description, controls a camera in accordance with the designated content, to perform image sensing, and returns the obtained video image as the content of a file to the client. The client performs various controls while observing the video image. When a desired angle has been found, the client instructs to register the angle in a bookmark, then angle information displayed at that time is registered. Thereafter, when the user of the client can see the video image obtained on the same image-sensing conditions by merely select-designating the angle information registered in the bookmark.

Communication method and apparatus, server and client on network, and program codes realizing communication thereof

In a program executing apparatus, a code reading section reads intermediate codes into a storage unit. A data-reference analyzing section determines whether the operands of instructions in the intermediate codes stored in the storage unit require a data reference. Each data reference is analyzed for instructions requiring the data reference. A code rewriting section rewrites the operands of the instructions according to the analysis information obtained by the data-reference analyzing section. An address updating section updates the addresses of address-related instructions. After all intermediate codes are interpreted, a main interpreting and executing section starts interpreting and executing the intermediate codes.

Program executing apparatus, control method therefor, and storage medium for interpreting and executing intermediate codes

An interpreter serves for a programming language. It first receives information specifying names and the like of multiple applications written in the programming language. Then, the interpreter generates individual application areas corresponding to the applications for storing data required for execution of the applications. It also generates a task for each of the applications and executes the application in the task. If the interpreter detects a new class in required classes during execution of the individual applications, it loads bytecodes for the new class in a shared area. Also, if the new class has a class variable, the interpreter allocates a class variable area for the class variable which corresponds to the application. Furthermore, to access a class variable during execution of an application, the interpreter accesses a class variable area for the class variable in the individual application area corresponding to the application.

Multiapplication concurrent-execution interpreter execution method therefor and computer-readable storage medium storing program therefor

Server, client, client server system, method for controlling them and storage medium therefor

A call waiting notifying apparatus including a discriminating circuit to discriminate to see if a call reception has been generated from a digital line to an analog terminal in communication or not; and a transmitting circuit to transmit a predetermined tone to the analog terminal if the generation of the call waiting is determined by the discriminating circuit. The discriminating circuit discriminates the generation of the call waiting on the basis of a command received through a control channel of the digital line.

Call waiting notifying apparatus

In a telephone apparatus which accommodates a plurality of lines and a plurality of terminals, system services in accordance with preset working data are realized based upon prescribed operations such as the dialing of an outgoing call from a terminal. The system services include the storing of desired dial information, the recording and playback of voice information from an outside provider of voice information, and the supplying of billing information.

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Machida, Japan

Hirokazu Ohi