Article directory
laws and regulations
1. Intellectual Property
Intellectual property rights include: copyright and license rights, patent rights, industrial design rights, trademark rights, geographical indication rights, and integrated circuit layout design rights.
The two basic legal documents for protecting computer software copyright in my country are == "Copyright Law of the People's Republic of China"and"Computer Software Protection Regulations"==.
- Software copyright: Software copyright refers to the various exclusive rights enjoyed by software developers or other rights holders in software works in accordance with the provisions of relevant copyright laws.It does not require application to have。
- Software patent rights: Software patent rights refer to a way to protect the design ideas of software by applying for patents, rather than the protection of the software itself.In terms of patent protection, my country has implemented the first-to-file system, that is, whoever applies first will enjoy the patent right.
- Software trademark rights: Software trademark rights refer to the exclusive rights granted to the trademark owner by the trademark authority in accordance with the law to protect the registered trademark of the state.In my country, the acquisition of trademark rights must go through trademark registration procedures, and the principle of first-to-file application is implemented, that is, whoever applies first will own the trademark rights.。
- Trade secrets: Trade secrets generally refer to technical information and business information that are not known to the public, can bring economic benefits to the obligee, are practical and have been kept secret by the obligee.
2. Duration of protection
Important test points:
- The term of protection of the author's right of authorship, modification, and protection of the integrity of the work is not limited。
- Trademark rights can be renewed indefinitely every 10 years, and the existence may be owned indefinitely.
3. Identification of the intellectual property owner
Service inventions refer to inventions and creations completed by performing the tasks of the unit and mainly using the material conditions of the unit. Paragraph 1 of Article 6 of my country's Patent Law stipulates that an invention-creation completed by performing the tasks of the entity or mainly using the material and technical conditions of the entity is an employment invention-creation.The right to apply for a patent for a service invention-creation belongs to the unit: after the application is approved, the unit is the patentee.
4. Infringement determination
5. Classification and numbering of standards
Multimedia Fundamentals
1. Basic Concepts
1.1 Audio
Audio is a technical term that has been used generally to describe sound-related devices and their functions in the audio range. All sounds that humans can hear are called audio, which may include noise, etc. After the sound is recorded, whether it is speaking, singing, or musical instruments, it can be processed by digital music software, or it can be made into a CD. At this time, all the sounds remain unchanged, because CDs are originally a type of audio files. And audio is just the sound stored in the computer. If there is a computer coupled with a corresponding audio card - that is, the sound card we often say, we can record all the sounds, and the acoustic characteristics of the sound, such as the level of the sound, can be stored in the form of computer hard disk files.
1.2 Images
Image is a general term for all kinds of graphics and images.
Image is the basis of human vision, an objective reflection of natural scenery, and an important source for human beings to understand the world and themselves. "Picture" is the distribution of reflected or transmitted light of an object, "like" is the impression or cognition formed in the human brain by the picture accepted by the human visual system, such as photos, paintings, clip art, maps, calligraphy works, handwritten Sinology, Faxes, satellite images, video images, X-rays, electroencephalograms, electrocardiograms, etc. are all images.
Important features and interpretations of images:
- Brightness: The common understanding of image brightness is the brightness of the image
- Saturation: Saturation refers to the variety of colors in the image
- Contrast: refers to the difference between the dark and light of the image
1.3 Types of Media
pay attentionDisplay media include: input display media keyboard, mouse and microphone, etc.
The "golden three principles" of human-computer interaction include: user manipulation and control, reducing the user's memory burden, and maintaining interface consistency.
MOV stands for QuickTime Movie Format, which is an audio and video file format developed by Apple to store common digital media types.
2. Multimedia Computational Problems
3. Common Multimedia Standards
Common disc formats: DVD-RAM and DVD-RW are two different multiple erasable and rewritable DVD disc formats supported by DVD technology, CD-R refers to a write-once (recordable) CD disc, and CD- RW refers to a CD disc that can be erased and rewritten many times.
4. Data compression technology
Data Compression Basics
Lossy Compression vs Lossless Compression
Reminder: Laws and regulations and multimedia parts account for a small amount of marks in the software designer exam, so it does not need to spend too much time
Summary of notes from: Software Designer Exam Tutorial